18997652008

素因数分解:

$2^3\times {\mathrm{3727}}^1\times {\mathrm{637163}}^1$

素因数の和:640896

約数の個数: 16

約数和(自身を含む): 35630210880

約数和(自身を除く): 16632558872

約数列:

[1, 2, 4, 8, 3727, 7454, 14908, 29816, 637163, 1274326, 2548652, 5097304, 2374706501, 4749413002, 9498826004, 18997652008]

約数ペア:

[(1, 18997652008), (2, 9498826004), (4, 4749413002), (8, 2374706501), (3727, 5097304), (7454, 2548652), (14908, 1274326), (29816, 637163)]