18637864

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5641}}^1$

素因数の和:5713

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 21984536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 5641, 11282, 22564, 39487, 45128, 78974, 157948, 315896, 332819, 665638, 1331276, 2329733, 2662552, 4659466, 9318932, 18637864]

約数ペア:

[(1, 18637864), (2, 9318932), (4, 4659466), (7, 2662552), (8, 2329733), (14, 1331276), (28, 665638), (56, 332819), (59, 315896), (118, 157948), (236, 78974), (413, 45128), (472, 39487), (826, 22564), (1652, 11282), (3304, 5641)]