18244580

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5273}}^1$

素因数の和:5455

約数の個数: 24

約数和(自身を含む): 38542392

約数和(自身を除く): 20297812

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5273, 10546, 21092, 26365, 52730, 105460, 912229, 1824458, 3648916, 4561145, 9122290, 18244580]

約数ペア:

[(1, 18244580), (2, 9122290), (4, 4561145), (5, 3648916), (10, 1824458), (20, 912229), (173, 105460), (346, 52730), (692, 26365), (865, 21092), (1730, 10546), (3460, 5273)]