17990230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 15767978

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 443, 655, 886, 1310, 2215, 4061, 4430, 8122, 13733, 20305, 27466, 40610, 58033, 68665, 116066, 137330, 290165, 580330, 1799023, 3598046, 8995115, 17990230]

約数ペア:

[(1, 17990230), (2, 8995115), (5, 3598046), (10, 1799023), (31, 580330), (62, 290165), (131, 137330), (155, 116066), (262, 68665), (310, 58033), (443, 40610), (655, 27466), (886, 20305), (1310, 13733), (2215, 8122), (4061, 4430)]