18410536

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 35719200

約数和(自身を除く): 17308664

約数列:

[1, 2, 4, 8, 43, 86, 109, 172, 218, 344, 436, 491, 872, 982, 1964, 3928, 4687, 9374, 18748, 21113, 37496, 42226, 53519, 84452, 107038, 168904, 214076, 428152, 2301317, 4602634, 9205268, 18410536]

約数ペア:

[(1, 18410536), (2, 9205268), (4, 4602634), (8, 2301317), (43, 428152), (86, 214076), (109, 168904), (172, 107038), (218, 84452), (344, 53519), (436, 42226), (491, 37496), (872, 21113), (982, 18748), (1964, 9374), (3928, 4687)]