18686811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 29981952

約数和(自身を除く): 11295141

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1013, 1419, 1677, 3039, 6149, 11143, 13169, 18447, 33429, 39507, 43559, 130677, 144859, 434577, 479149, 566267, 1437447, 1698801, 6228937, 18686811]

約数ペア:

[(1, 18686811), (3, 6228937), (11, 1698801), (13, 1437447), (33, 566267), (39, 479149), (43, 434577), (129, 144859), (143, 130677), (429, 43559), (473, 39507), (559, 33429), (1013, 18447), (1419, 13169), (1677, 11143), (3039, 6149)]