19311968

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3571}}^1$

素因数の和:3607

約数の個数: 36

約数和(自身を含む): 41181588

約数和(自身を除く): 21869620

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3571, 5408, 7142, 14284, 28568, 46423, 57136, 92846, 114272, 185692, 371384, 603499, 742768, 1206998, 1485536, 2413996, 4827992, 9655984, 19311968]

約数ペア:

[(1, 19311968), (2, 9655984), (4, 4827992), (8, 2413996), (13, 1485536), (16, 1206998), (26, 742768), (32, 603499), (52, 371384), (104, 185692), (169, 114272), (208, 92846), (338, 57136), (416, 46423), (676, 28568), (1352, 14284), (2704, 7142), (3571, 5408)]