18558160

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1013}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 43378920

約数和(自身を除く): 24820760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1013, 1145, 1832, 2026, 2290, 3664, 4052, 4580, 5065, 8104, 9160, 10130, 16208, 18320, 20260, 40520, 81040, 231977, 463954, 927908, 1159885, 1855816, 2319770, 3711632, 4639540, 9279080, 18558160]

約数ペア:

[(1, 18558160), (2, 9279080), (4, 4639540), (5, 3711632), (8, 2319770), (10, 1855816), (16, 1159885), (20, 927908), (40, 463954), (80, 231977), (229, 81040), (458, 40520), (916, 20260), (1013, 18320), (1145, 16208), (1832, 10130), (2026, 9160), (2290, 8104), (3664, 5065), (4052, 4580)]