19408480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 59609088

約数和(自身を除く): 40200608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 43, 52, 56, 62, 65, 70, 80, 86, 91, 104, 112, 124, 130, 140, 155, 160, 172, 182, 208, 215, 217, 224, 248, 260, 280, 301, 310, 344, 364, 403, 416, 430, 434, 455, 496, 520, 559, 560, 602, 620, 688, 728, 806, 860, 868, 910, 992, 1040, 1085, 1118, 1120, 1204, 1240, 1333, 1376, 1456, 1505, 1612, 1720, 1736, 1820, 2015, 2080, 2170, 2236, 2408, 2480, 2666, 2795, 2821, 2912, 3010, 3224, 3440, 3472, 3640, 3913, 4030, 4340, 4472, 4816, 4960, 5332, 5590, 5642, 6020, 6448, 6665, 6880, 6944, 7280, 7826, 8060, 8680, 8944, 9331, 9632, 10664, 11180, 11284, 12040, 12896, 13330, 14105, 14560, 15652, 16120, 17329, 17360, 17888, 18662, 19565, 21328, 22360, 22568, 24080, 26660, 28210, 31304, 32240, 34658, 34720, 37324, 39130, 42656, 44720, 45136, 46655, 48160, 53320, 56420, 62608, 64480, 69316, 74648, 78260, 86645, 89440, 90272, 93310, 106640, 112840, 121303, 125216, 138632, 149296, 156520, 173290, 186620, 213280, 225680, 242606, 277264, 298592, 313040, 346580, 373240, 451360, 485212, 554528, 606515, 626080, 693160, 746480, 970424, 1213030, 1386320, 1492960, 1940848, 2426060, 2772640, 3881696, 4852120, 9704240, 19408480]

約数ペア:

[(1, 19408480), (2, 9704240), (4, 4852120), (5, 3881696), (7, 2772640), (8, 2426060), (10, 1940848), (13, 1492960), (14, 1386320), (16, 1213030), (20, 970424), (26, 746480), (28, 693160), (31, 626080), (32, 606515), (35, 554528), (40, 485212), (43, 451360), (52, 373240), (56, 346580), (62, 313040), (65, 298592), (70, 277264), (80, 242606), (86, 225680), (91, 213280), (104, 186620), (112, 173290), (124, 156520), (130, 149296), (140, 138632), (155, 125216), (160, 121303), (172, 112840), (182, 106640), (208, 93310), (215, 90272), (217, 89440), (224, 86645), (248, 78260), (260, 74648), (280, 69316), (301, 64480), (310, 62608), (344, 56420), (364, 53320), (403, 48160), (416, 46655), (430, 45136), (434, 44720), (455, 42656), (496, 39130), (520, 37324), (559, 34720), (560, 34658), (602, 32240), (620, 31304), (688, 28210), (728, 26660), (806, 24080), (860, 22568), (868, 22360), (910, 21328), (992, 19565), (1040, 18662), (1085, 17888), (1118, 17360), (1120, 17329), (1204, 16120), (1240, 15652), (1333, 14560), (1376, 14105), (1456, 13330), (1505, 12896), (1612, 12040), (1720, 11284), (1736, 11180), (1820, 10664), (2015, 9632), (2080, 9331), (2170, 8944), (2236, 8680), (2408, 8060), (2480, 7826), (2666, 7280), (2795, 6944), (2821, 6880), (2912, 6665), (3010, 6448), (3224, 6020), (3440, 5642), (3472, 5590), (3640, 5332), (3913, 4960), (4030, 4816), (4340, 4472)]