18086900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13913}}^1$

素因数の和:13940

約数の個数: 36

約数和(自身を含む): 42270732

約数和(自身を除く): 24183832

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13913, 27826, 55652, 69565, 139130, 180869, 278260, 347825, 361738, 695650, 723476, 904345, 1391300, 1808690, 3617380, 4521725, 9043450, 18086900]

約数ペア:

[(1, 18086900), (2, 9043450), (4, 4521725), (5, 3617380), (10, 1808690), (13, 1391300), (20, 904345), (25, 723476), (26, 695650), (50, 361738), (52, 347825), (65, 278260), (100, 180869), (130, 139130), (260, 69565), (325, 55652), (650, 27826), (1300, 13913)]