18884195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8694685

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1045, 1063, 1615, 3553, 5315, 11693, 17765, 18071, 20197, 58465, 90355, 100985, 198781, 222167, 343349, 993905, 1110835, 1716745, 3776839, 18884195]

約数ペア:

[(1, 18884195), (5, 3776839), (11, 1716745), (17, 1110835), (19, 993905), (55, 343349), (85, 222167), (95, 198781), (187, 100985), (209, 90355), (323, 58465), (935, 20197), (1045, 18071), (1063, 17765), (1615, 11693), (3553, 5315)]