18802771

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 21807744

約数和(自身を除く): 3004973

約数列:

[1, 13, 31, 37, 97, 169, 403, 481, 1147, 1261, 3007, 3589, 5239, 6253, 14911, 16393, 39091, 46657, 111259, 193843, 508183, 606541, 1446367, 18802771]

約数ペア:

[(1, 18802771), (13, 1446367), (31, 606541), (37, 508183), (97, 193843), (169, 111259), (403, 46657), (481, 39091), (1147, 16393), (1261, 14911), (3007, 6253), (3589, 5239)]