18398660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 26187196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1163, 1582, 2260, 2326, 3164, 3955, 4652, 5815, 7910, 8141, 11630, 15820, 16282, 23260, 32564, 40705, 81410, 131419, 162820, 262838, 525676, 657095, 919933, 1314190, 1839866, 2628380, 3679732, 4599665, 9199330, 18398660]

約数ペア:

[(1, 18398660), (2, 9199330), (4, 4599665), (5, 3679732), (7, 2628380), (10, 1839866), (14, 1314190), (20, 919933), (28, 657095), (35, 525676), (70, 262838), (113, 162820), (140, 131419), (226, 81410), (452, 40705), (565, 32564), (791, 23260), (1130, 16282), (1163, 15820), (1582, 11630), (2260, 8141), (2326, 7910), (3164, 5815), (3955, 4652)]