1913290480

素因数分解:

$2^4\times 5^1\times {\mathrm{23916131}}^1$

素因数の和:23916144

約数の個数: 20

約数和(自身を含む): 4448400552

約数和(自身を除く): 2535110072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23916131, 47832262, 95664524, 119580655, 191329048, 239161310, 382658096, 478322620, 956645240, 1913290480]

約数ペア:

[(1, 1913290480), (2, 956645240), (4, 478322620), (5, 382658096), (8, 239161310), (10, 191329048), (16, 119580655), (20, 95664524), (40, 47832262), (80, 23916131)]