18770479

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 23876160

約数和(自身を除く): 5105681

約数列:

[1, 7, 13, 49, 79, 91, 373, 553, 637, 1027, 2611, 3871, 4849, 7189, 18277, 29467, 33943, 50323, 206269, 237601, 383071, 1443883, 2681497, 18770479]

約数ペア:

[(1, 18770479), (7, 2681497), (13, 1443883), (49, 383071), (79, 237601), (91, 206269), (373, 50323), (553, 33943), (637, 29467), (1027, 18277), (2611, 7189), (3871, 4849)]