18678380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133417}}^1$

素因数の和:133433

約数の個数: 24

約数和(自身を含む): 44828448

約数和(自身を除く): 26150068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133417, 266834, 533668, 667085, 933919, 1334170, 1867838, 2668340, 3735676, 4669595, 9339190, 18678380]

約数ペア:

[(1, 18678380), (2, 9339190), (4, 4669595), (5, 3735676), (7, 2668340), (10, 1867838), (14, 1334170), (20, 933919), (28, 667085), (35, 533668), (70, 266834), (140, 133417)]