18985430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3851}}^1$

素因数の和:3904

約数の個数: 32

約数和(自身を含む): 37441440

約数和(自身を除く): 18456010

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 3851, 4930, 7702, 19255, 38510, 65467, 111679, 130934, 223358, 327335, 558395, 654670, 1116790, 1898543, 3797086, 9492715, 18985430]

約数ペア:

[(1, 18985430), (2, 9492715), (5, 3797086), (10, 1898543), (17, 1116790), (29, 654670), (34, 558395), (58, 327335), (85, 223358), (145, 130934), (170, 111679), (290, 65467), (493, 38510), (986, 19255), (2465, 7702), (3851, 4930)]