18972512

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 21987568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 767, 773, 944, 1534, 1546, 1888, 3068, 3092, 6136, 6184, 10049, 12272, 12368, 20098, 24544, 24736, 40196, 45607, 80392, 91214, 160784, 182428, 321568, 364856, 592891, 729712, 1185782, 1459424, 2371564, 4743128, 9486256, 18972512]

約数ペア:

[(1, 18972512), (2, 9486256), (4, 4743128), (8, 2371564), (13, 1459424), (16, 1185782), (26, 729712), (32, 592891), (52, 364856), (59, 321568), (104, 182428), (118, 160784), (208, 91214), (236, 80392), (416, 45607), (472, 40196), (767, 24736), (773, 24544), (944, 20098), (1534, 12368), (1546, 12272), (1888, 10049), (3068, 6184), (3092, 6136)]