19853584

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2879}}^1$

素因数の和:3318

約数の個数: 20

約数和(自身を含む): 38568960

約数和(自身を除く): 18715376

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 2879, 3448, 5758, 6896, 11516, 23032, 46064, 1240849, 2481698, 4963396, 9926792, 19853584]

約数ペア:

[(1, 19853584), (2, 9926792), (4, 4963396), (8, 2481698), (16, 1240849), (431, 46064), (862, 23032), (1724, 11516), (2879, 6896), (3448, 5758)]