18104788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{877}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 34245512

約数和(自身を除く): 16140724

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 877, 1588, 1754, 3508, 5161, 10322, 11401, 20644, 22802, 45604, 348169, 696338, 1392676, 4526197, 9052394, 18104788]

約数ペア:

[(1, 18104788), (2, 9052394), (4, 4526197), (13, 1392676), (26, 696338), (52, 348169), (397, 45604), (794, 22802), (877, 20644), (1588, 11401), (1754, 10322), (3508, 5161)]