19798384

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{1721}}^1$

素因数の和:2448

約数の個数: 20

約数和(自身を含む): 38435040

約数和(自身を除く): 18636656

約数列:

[1, 2, 4, 8, 16, 719, 1438, 1721, 2876, 3442, 5752, 6884, 11504, 13768, 27536, 1237399, 2474798, 4949596, 9899192, 19798384]

約数ペア:

[(1, 19798384), (2, 9899192), (4, 4949596), (8, 2474798), (16, 1237399), (719, 27536), (1438, 13768), (1721, 11504), (2876, 6884), (3442, 5752)]