19864808

素因数分解:

$2^3\times {\mathrm{769}}^1\times {\mathrm{3229}}^1$

素因数の和:4004

約数の個数: 16

約数和(自身を含む): 37306500

約数和(自身を除く): 17441692

約数列:

[1, 2, 4, 8, 769, 1538, 3076, 3229, 6152, 6458, 12916, 25832, 2483101, 4966202, 9932404, 19864808]

約数ペア:

[(1, 19864808), (2, 9932404), (4, 4966202), (8, 2483101), (769, 25832), (1538, 12916), (3076, 6458), (3229, 6152)]