19787312

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3229}}^1$

素因数の和:3620

約数の個数: 20

約数和(自身を含む): 38449920

約数和(自身を除く): 18662608

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3229, 6128, 6458, 12916, 25832, 51664, 1236707, 2473414, 4946828, 9893656, 19787312]

約数ペア:

[(1, 19787312), (2, 9893656), (4, 4946828), (8, 2473414), (16, 1236707), (383, 51664), (766, 25832), (1532, 12916), (3064, 6458), (3229, 6128)]