15181816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 33626880

約数和(自身を除く): 18445064

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 277, 403, 442, 527, 554, 806, 884, 1054, 1108, 1612, 1768, 2108, 2216, 3224, 3601, 4216, 4709, 6851, 7202, 8587, 9418, 13702, 14404, 17174, 18836, 27404, 28808, 34348, 37672, 54808, 61217, 68696, 111631, 122434, 145979, 223262, 244868, 291958, 446524, 489736, 583916, 893048, 1167832, 1897727, 3795454, 7590908, 15181816]

約数ペア:

[(1, 15181816), (2, 7590908), (4, 3795454), (8, 1897727), (13, 1167832), (17, 893048), (26, 583916), (31, 489736), (34, 446524), (52, 291958), (62, 244868), (68, 223262), (104, 145979), (124, 122434), (136, 111631), (221, 68696), (248, 61217), (277, 54808), (403, 37672), (442, 34348), (527, 28808), (554, 27404), (806, 18836), (884, 17174), (1054, 14404), (1108, 13702), (1612, 9418), (1768, 8587), (2108, 7202), (2216, 6851), (3224, 4709), (3601, 4216)]