18407260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54139}}^1$

素因数の和:54165

約数の個数: 24

約数和(自身を含む): 40929840

約数和(自身を除く): 22522580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54139, 108278, 216556, 270695, 541390, 920363, 1082780, 1840726, 3681452, 4601815, 9203630, 18407260]

約数ペア:

[(1, 18407260), (2, 9203630), (4, 4601815), (5, 3681452), (10, 1840726), (17, 1082780), (20, 920363), (34, 541390), (68, 270695), (85, 216556), (170, 108278), (340, 54139)]