18053140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128951}}^1$

素因数の和:128967

約数の個数: 24

約数和(自身を含む): 43327872

約数和(自身を除く): 25274732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128951, 257902, 515804, 644755, 902657, 1289510, 1805314, 2579020, 3610628, 4513285, 9026570, 18053140]

約数ペア:

[(1, 18053140), (2, 9026570), (4, 4513285), (5, 3610628), (7, 2579020), (10, 1805314), (14, 1289510), (20, 902657), (28, 644755), (35, 515804), (70, 257902), (140, 128951)]