18988552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1429}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 39124800

約数和(自身を除く): 20136248

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1429, 1661, 2858, 3322, 5716, 6644, 11432, 13288, 15719, 31438, 62876, 125752, 215779, 431558, 863116, 1726232, 2373569, 4747138, 9494276, 18988552]

約数ペア:

[(1, 18988552), (2, 9494276), (4, 4747138), (8, 2373569), (11, 1726232), (22, 863116), (44, 431558), (88, 215779), (151, 125752), (302, 62876), (604, 31438), (1208, 15719), (1429, 13288), (1661, 11432), (2858, 6644), (3322, 5716)]