18958628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{823}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 35853888

約数和(自身を除く): 16895260

約数列:

[1, 2, 4, 13, 26, 52, 443, 823, 886, 1646, 1772, 3292, 5759, 10699, 11518, 21398, 23036, 42796, 364589, 729178, 1458356, 4739657, 9479314, 18958628]

約数ペア:

[(1, 18958628), (2, 9479314), (4, 4739657), (13, 1458356), (26, 729178), (52, 364589), (443, 42796), (823, 23036), (886, 21398), (1646, 11518), (1772, 10699), (3292, 5759)]