19601253

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1291}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 32517056

約数和(自身を除く): 12915803

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1291, 1687, 2169, 3873, 5061, 9037, 11619, 15183, 27111, 81333, 311131, 933393, 2177917, 2800179, 6533751, 19601253]

約数ペア:

[(1, 19601253), (3, 6533751), (7, 2800179), (9, 2177917), (21, 933393), (63, 311131), (241, 81333), (723, 27111), (1291, 15183), (1687, 11619), (2169, 9037), (3873, 5061)]