18713128

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2213}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 21670232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2213, 4228, 4426, 8456, 8852, 15491, 17704, 30982, 61964, 123928, 334163, 668326, 1336652, 2339141, 2673304, 4678282, 9356564, 18713128]

約数ペア:

[(1, 18713128), (2, 9356564), (4, 4678282), (7, 2673304), (8, 2339141), (14, 1336652), (28, 668326), (56, 334163), (151, 123928), (302, 61964), (604, 30982), (1057, 17704), (1208, 15491), (2114, 8852), (2213, 8456), (4228, 4426)]