18183280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6143}}^1$

素因数の和:6193

約数の個数: 40

約数和(自身を含む): 43425792

約数和(自身を除く): 25242512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6143, 12286, 24572, 30715, 49144, 61430, 98288, 122860, 227291, 245720, 454582, 491440, 909164, 1136455, 1818328, 2272910, 3636656, 4545820, 9091640, 18183280]

約数ペア:

[(1, 18183280), (2, 9091640), (4, 4545820), (5, 3636656), (8, 2272910), (10, 1818328), (16, 1136455), (20, 909164), (37, 491440), (40, 454582), (74, 245720), (80, 227291), (148, 122860), (185, 98288), (296, 61430), (370, 49144), (592, 30715), (740, 24572), (1480, 12286), (2960, 6143)]