1808404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 3457440

約数和(自身を除く): 1649036

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 419, 838, 1079, 1676, 2158, 4316, 5447, 10894, 21788, 34777, 69554, 139108, 452101, 904202, 1808404]

約数ペア:

[(1, 1808404), (2, 904202), (4, 452101), (13, 139108), (26, 69554), (52, 34777), (83, 21788), (166, 10894), (332, 5447), (419, 4316), (838, 2158), (1079, 1676)]