18974210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 17417470

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 467, 478, 934, 1195, 2335, 2390, 4063, 4670, 7939, 8126, 15878, 20315, 39695, 40630, 79390, 111613, 223226, 558065, 1116130, 1897421, 3794842, 9487105, 18974210]

約数ペア:

[(1, 18974210), (2, 9487105), (5, 3794842), (10, 1897421), (17, 1116130), (34, 558065), (85, 223226), (170, 111613), (239, 79390), (467, 40630), (478, 39695), (934, 20315), (1195, 15878), (2335, 8126), (2390, 7939), (4063, 4670)]