18791812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{929}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 35544600

約数和(自身を除く): 16752788

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 929, 1556, 1858, 3716, 5057, 10114, 12077, 20228, 24154, 48308, 361381, 722762, 1445524, 4697953, 9395906, 18791812]

約数ペア:

[(1, 18791812), (2, 9395906), (4, 4697953), (13, 1445524), (26, 722762), (52, 361381), (389, 48308), (778, 24154), (929, 20228), (1556, 12077), (1858, 10114), (3716, 5057)]