1618892708

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1\times {\mathrm{9901}}^1$

素因数の和:10943

約数の個数: 24

約数和(自身を含む): 2905365624

約数和(自身を除く): 1286472916

約数列:

[1, 2, 4, 41, 82, 164, 997, 1994, 3988, 9901, 19802, 39604, 40877, 81754, 163508, 405941, 811882, 1623764, 9871297, 19742594, 39485188, 404723177, 809446354, 1618892708]

約数ペア:

[(1, 1618892708), (2, 809446354), (4, 404723177), (41, 39485188), (82, 19742594), (164, 9871297), (997, 1623764), (1994, 811882), (3988, 405941), (9901, 163508), (19802, 81754), (39604, 40877)]