19909457855

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1733}}^1\times {\mathrm{5381}}^1$

素因数の和:7187

約数の個数: 32

約数和(自身を含む): 27773186688

約数和(自身を除く): 7863728833

約数列:

[1, 5, 7, 35, 61, 305, 427, 1733, 2135, 5381, 8665, 12131, 26905, 37667, 60655, 105713, 188335, 328241, 528565, 739991, 1641205, 2297687, 3699955, 9325273, 11488435, 46626365, 65276911, 326384555, 568841653, 2844208265, 3981891571, 19909457855]

約数ペア:

[(1, 19909457855), (5, 3981891571), (7, 2844208265), (35, 568841653), (61, 326384555), (305, 65276911), (427, 46626365), (1733, 11488435), (2135, 9325273), (5381, 3699955), (8665, 2297687), (12131, 1641205), (26905, 739991), (37667, 528565), (60655, 328241), (105713, 188335)]