17994820

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3929}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 37963800

約数和(自身を除く): 19968980

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3929, 4580, 7858, 15716, 19645, 39290, 78580, 899741, 1799482, 3598964, 4498705, 8997410, 17994820]

約数ペア:

[(1, 17994820), (2, 8997410), (4, 4498705), (5, 3598964), (10, 1799482), (20, 899741), (229, 78580), (458, 39290), (916, 19645), (1145, 15716), (2290, 7858), (3929, 4580)]