18252680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6427}}^1$

素因数の和:6509

約数の個数: 32

約数和(自身を含む): 41653440

約数和(自身を除く): 23400760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6427, 12854, 25708, 32135, 51416, 64270, 128540, 257080, 456317, 912634, 1825268, 2281585, 3650536, 4563170, 9126340, 18252680]

約数ペア:

[(1, 18252680), (2, 9126340), (4, 4563170), (5, 3650536), (8, 2281585), (10, 1825268), (20, 912634), (40, 456317), (71, 257080), (142, 128540), (284, 64270), (355, 51416), (568, 32135), (710, 25708), (1420, 12854), (2840, 6427)]