18121480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34849}}^1$

素因数の和:34873

約数の個数: 32

約数和(自身を含む): 43911000

約数和(自身を除く): 25789520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34849, 69698, 139396, 174245, 278792, 348490, 453037, 696980, 906074, 1393960, 1812148, 2265185, 3624296, 4530370, 9060740, 18121480]

約数ペア:

[(1, 18121480), (2, 9060740), (4, 4530370), (5, 3624296), (8, 2265185), (10, 1812148), (13, 1393960), (20, 906074), (26, 696980), (40, 453037), (52, 348490), (65, 278792), (104, 174245), (130, 139396), (260, 69698), (520, 34849)]