18478321372

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15347443}}^1$

素因数の和:15347497

約数の個数: 24

約数和(自身を含む): 37816102016

約数和(自身を除く): 19337780644

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15347443, 30694886, 61389772, 107432101, 214864202, 429728404, 659940049, 1319880098, 2639760196, 4619580343, 9239160686, 18478321372]

約数ペア:

[(1, 18478321372), (2, 9239160686), (4, 4619580343), (7, 2639760196), (14, 1319880098), (28, 659940049), (43, 429728404), (86, 214864202), (172, 107432101), (301, 61389772), (602, 30694886), (1204, 15347443)]