1913132240

素因数分解:

$2^4\times 5^1\times {\mathrm{23914153}}^1$

素因数の和:23914166

約数の個数: 20

約数和(自身を含む): 4448032644

約数和(自身を除く): 2534900404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23914153, 47828306, 95656612, 119570765, 191313224, 239141530, 382626448, 478283060, 956566120, 1913132240]

約数ペア:

[(1, 1913132240), (2, 956566120), (4, 478283060), (5, 382626448), (8, 239141530), (10, 191313224), (16, 119570765), (20, 95656612), (40, 47828306), (80, 23914153)]