18022640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26974480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 167, 190, 284, 304, 334, 355, 380, 568, 668, 710, 760, 835, 1136, 1336, 1349, 1420, 1520, 1670, 2672, 2698, 2840, 3173, 3340, 5396, 5680, 6346, 6680, 6745, 10792, 11857, 12692, 13360, 13490, 15865, 21584, 23714, 25384, 26980, 31730, 47428, 50768, 53960, 59285, 63460, 94856, 107920, 118570, 126920, 189712, 225283, 237140, 253840, 450566, 474280, 901132, 948560, 1126415, 1802264, 2252830, 3604528, 4505660, 9011320, 18022640]

約数ペア:

[(1, 18022640), (2, 9011320), (4, 4505660), (5, 3604528), (8, 2252830), (10, 1802264), (16, 1126415), (19, 948560), (20, 901132), (38, 474280), (40, 450566), (71, 253840), (76, 237140), (80, 225283), (95, 189712), (142, 126920), (152, 118570), (167, 107920), (190, 94856), (284, 63460), (304, 59285), (334, 53960), (355, 50768), (380, 47428), (568, 31730), (668, 26980), (710, 25384), (760, 23714), (835, 21584), (1136, 15865), (1336, 13490), (1349, 13360), (1420, 12692), (1520, 11857), (1670, 10792), (2672, 6745), (2698, 6680), (2840, 6346), (3173, 5680), (3340, 5396)]