19038240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 72997848

約数和(自身を除く): 53959608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 113, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 226, 234, 240, 260, 270, 288, 312, 324, 339, 351, 360, 390, 405, 416, 432, 452, 468, 480, 520, 540, 565, 585, 624, 648, 678, 702, 720, 780, 810, 864, 904, 936, 1017, 1040, 1053, 1080, 1130, 1170, 1248, 1296, 1356, 1404, 1440, 1469, 1560, 1620, 1695, 1755, 1808, 1872, 2034, 2080, 2106, 2160, 2260, 2340, 2592, 2712, 2808, 2938, 3051, 3120, 3240, 3390, 3510, 3616, 3744, 4068, 4212, 4320, 4407, 4520, 4680, 5085, 5265, 5424, 5616, 5876, 6102, 6240, 6480, 6780, 7020, 7345, 8136, 8424, 8814, 9040, 9153, 9360, 10170, 10530, 10848, 11232, 11752, 12204, 12960, 13221, 13560, 14040, 14690, 15255, 16272, 16848, 17628, 18080, 18306, 18720, 20340, 21060, 22035, 23504, 24408, 26442, 27120, 28080, 29380, 30510, 32544, 33696, 35256, 36612, 39663, 40680, 42120, 44070, 45765, 47008, 48816, 52884, 54240, 56160, 58760, 61020, 66105, 70512, 73224, 79326, 81360, 84240, 88140, 91530, 97632, 105768, 117520, 118989, 122040, 132210, 141024, 146448, 158652, 162720, 168480, 176280, 183060, 198315, 211536, 235040, 237978, 244080, 264420, 292896, 317304, 352560, 366120, 396630, 423072, 475956, 488160, 528840, 594945, 634608, 705120, 732240, 793260, 951912, 1057680, 1189890, 1269216, 1464480, 1586520, 1903824, 2115360, 2379780, 3173040, 3807648, 4759560, 6346080, 9519120, 19038240]

約数ペア:

[(1, 19038240), (2, 9519120), (3, 6346080), (4, 4759560), (5, 3807648), (6, 3173040), (8, 2379780), (9, 2115360), (10, 1903824), (12, 1586520), (13, 1464480), (15, 1269216), (16, 1189890), (18, 1057680), (20, 951912), (24, 793260), (26, 732240), (27, 705120), (30, 634608), (32, 594945), (36, 528840), (39, 488160), (40, 475956), (45, 423072), (48, 396630), (52, 366120), (54, 352560), (60, 317304), (65, 292896), (72, 264420), (78, 244080), (80, 237978), (81, 235040), (90, 211536), (96, 198315), (104, 183060), (108, 176280), (113, 168480), (117, 162720), (120, 158652), (130, 146448), (135, 141024), (144, 132210), (156, 122040), (160, 118989), (162, 117520), (180, 105768), (195, 97632), (208, 91530), (216, 88140), (226, 84240), (234, 81360), (240, 79326), (260, 73224), (270, 70512), (288, 66105), (312, 61020), (324, 58760), (339, 56160), (351, 54240), (360, 52884), (390, 48816), (405, 47008), (416, 45765), (432, 44070), (452, 42120), (468, 40680), (480, 39663), (520, 36612), (540, 35256), (565, 33696), (585, 32544), (624, 30510), (648, 29380), (678, 28080), (702, 27120), (720, 26442), (780, 24408), (810, 23504), (864, 22035), (904, 21060), (936, 20340), (1017, 18720), (1040, 18306), (1053, 18080), (1080, 17628), (1130, 16848), (1170, 16272), (1248, 15255), (1296, 14690), (1356, 14040), (1404, 13560), (1440, 13221), (1469, 12960), (1560, 12204), (1620, 11752), (1695, 11232), (1755, 10848), (1808, 10530), (1872, 10170), (2034, 9360), (2080, 9153), (2106, 9040), (2160, 8814), (2260, 8424), (2340, 8136), (2592, 7345), (2712, 7020), (2808, 6780), (2938, 6480), (3051, 6240), (3120, 6102), (3240, 5876), (3390, 5616), (3510, 5424), (3616, 5265), (3744, 5085), (4068, 4680), (4212, 4520), (4320, 4407)]