18128068

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15791}}^1$

素因数の和:15843

約数の個数: 24

約数和(自身を含む): 37142784

約数和(自身を除く): 19014716

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 15791, 31582, 63164, 110537, 221074, 442148, 647431, 1294862, 2589724, 4532017, 9064034, 18128068]

約数ペア:

[(1, 18128068), (2, 9064034), (4, 4532017), (7, 2589724), (14, 1294862), (28, 647431), (41, 442148), (82, 221074), (164, 110537), (287, 63164), (574, 31582), (1148, 15791)]