18839288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2293}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 38539200

約数和(自身を除く): 19699912

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2293, 4108, 4586, 8216, 9172, 18344, 29809, 59618, 119236, 181147, 238472, 362294, 724588, 1449176, 2354911, 4709822, 9419644, 18839288]

約数ペア:

[(1, 18839288), (2, 9419644), (4, 4709822), (8, 2354911), (13, 1449176), (26, 724588), (52, 362294), (79, 238472), (104, 181147), (158, 119236), (316, 59618), (632, 29809), (1027, 18344), (2054, 9172), (2293, 8216), (4108, 4586)]