18734680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27551}}^1$

素因数の和:27579

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 25899560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27551, 55102, 110204, 137755, 220408, 275510, 468367, 551020, 936734, 1102040, 1873468, 2341835, 3746936, 4683670, 9367340, 18734680]

約数ペア:

[(1, 18734680), (2, 9367340), (4, 4683670), (5, 3746936), (8, 2341835), (10, 1873468), (17, 1102040), (20, 936734), (34, 551020), (40, 468367), (68, 275510), (85, 220408), (136, 137755), (170, 110204), (340, 55102), (680, 27551)]