18816994

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79063}}^1$

素因数の和:79089

約数の個数: 16

約数和(自身を含む): 34155648

約数和(自身を除く): 15338654

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 79063, 158126, 553441, 1106882, 1344071, 2688142, 9408497, 18816994]

約数ペア:

[(1, 18816994), (2, 9408497), (7, 2688142), (14, 1344071), (17, 1106882), (34, 553441), (119, 158126), (238, 79063)]