18426960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 160

約数和(自身を含む): 66960000

約数和(自身を除く): 48533040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 449, 456, 513, 540, 570, 684, 720, 760, 855, 898, 912, 1026, 1080, 1140, 1347, 1368, 1520, 1710, 1796, 2052, 2160, 2245, 2280, 2565, 2694, 2736, 3420, 3592, 4041, 4104, 4490, 4560, 5130, 5388, 6735, 6840, 7184, 8082, 8208, 8531, 8980, 10260, 10776, 12123, 13470, 13680, 16164, 17062, 17960, 20205, 20520, 21552, 24246, 25593, 26940, 32328, 34124, 35920, 40410, 41040, 42655, 48492, 51186, 53880, 60615, 64656, 68248, 76779, 80820, 85310, 96984, 102372, 107760, 121230, 127965, 136496, 153558, 161640, 170620, 193968, 204744, 230337, 242460, 255930, 307116, 323280, 341240, 383895, 409488, 460674, 484920, 511860, 614232, 682480, 767790, 921348, 969840, 1023720, 1151685, 1228464, 1535580, 1842696, 2047440, 2303370, 3071160, 3685392, 4606740, 6142320, 9213480, 18426960]

約数ペア:

[(1, 18426960), (2, 9213480), (3, 6142320), (4, 4606740), (5, 3685392), (6, 3071160), (8, 2303370), (9, 2047440), (10, 1842696), (12, 1535580), (15, 1228464), (16, 1151685), (18, 1023720), (19, 969840), (20, 921348), (24, 767790), (27, 682480), (30, 614232), (36, 511860), (38, 484920), (40, 460674), (45, 409488), (48, 383895), (54, 341240), (57, 323280), (60, 307116), (72, 255930), (76, 242460), (80, 230337), (90, 204744), (95, 193968), (108, 170620), (114, 161640), (120, 153558), (135, 136496), (144, 127965), (152, 121230), (171, 107760), (180, 102372), (190, 96984), (216, 85310), (228, 80820), (240, 76779), (270, 68248), (285, 64656), (304, 60615), (342, 53880), (360, 51186), (380, 48492), (432, 42655), (449, 41040), (456, 40410), (513, 35920), (540, 34124), (570, 32328), (684, 26940), (720, 25593), (760, 24246), (855, 21552), (898, 20520), (912, 20205), (1026, 17960), (1080, 17062), (1140, 16164), (1347, 13680), (1368, 13470), (1520, 12123), (1710, 10776), (1796, 10260), (2052, 8980), (2160, 8531), (2245, 8208), (2280, 8082), (2565, 7184), (2694, 6840), (2736, 6735), (3420, 5388), (3592, 5130), (4041, 4560), (4104, 4490)]