18129752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 18223048

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1223, 1853, 2446, 3706, 4892, 7412, 9784, 14824, 20791, 41582, 83164, 133307, 166328, 266614, 533228, 1066456, 2266219, 4532438, 9064876, 18129752]

約数ペア:

[(1, 18129752), (2, 9064876), (4, 4532438), (8, 2266219), (17, 1066456), (34, 533228), (68, 266614), (109, 166328), (136, 133307), (218, 83164), (436, 41582), (872, 20791), (1223, 14824), (1853, 9784), (2446, 7412), (3706, 4892)]