18413200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3572

約数の個数: 60

約数和(自身を含む): 47654068

約数和(自身を除く): 29240868

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3541, 5200, 7082, 14164, 17705, 28328, 35410, 46033, 56656, 70820, 88525, 92066, 141640, 177050, 184132, 230165, 283280, 354100, 368264, 460330, 708200, 736528, 920660, 1150825, 1416400, 1841320, 2301650, 3682640, 4603300, 9206600, 18413200]

約数ペア:

[(1, 18413200), (2, 9206600), (4, 4603300), (5, 3682640), (8, 2301650), (10, 1841320), (13, 1416400), (16, 1150825), (20, 920660), (25, 736528), (26, 708200), (40, 460330), (50, 368264), (52, 354100), (65, 283280), (80, 230165), (100, 184132), (104, 177050), (130, 141640), (200, 92066), (208, 88525), (260, 70820), (325, 56656), (400, 46033), (520, 35410), (650, 28328), (1040, 17705), (1300, 14164), (2600, 7082), (3541, 5200)]