19854512

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18521}}^1$

素因数の和:18596

約数の個数: 20

約数和(自身を含む): 39044376

約数和(自身を除く): 19189864

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18521, 37042, 74084, 148168, 296336, 1240907, 2481814, 4963628, 9927256, 19854512]

約数ペア:

[(1, 19854512), (2, 9927256), (4, 4963628), (8, 2481814), (16, 1240907), (67, 296336), (134, 148168), (268, 74084), (536, 37042), (1072, 18521)]