18639218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6577}}^1$

素因数の和:6701

約数の個数: 16

約数和(自身を含む): 30390360

約数和(自身を除く): 11751142

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6577, 13154, 85501, 171002, 716893, 1433786, 9319609, 18639218]

約数ペア:

[(1, 18639218), (2, 9319609), (13, 1433786), (26, 716893), (109, 171002), (218, 85501), (1417, 13154), (2834, 6577)]