19554335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 6863329

約数列:

[1, 5, 17, 31, 41, 85, 155, 181, 205, 527, 697, 905, 1271, 2635, 3077, 3485, 5611, 6355, 7421, 15385, 21607, 28055, 37105, 95387, 108035, 126157, 230051, 476935, 630785, 1150255, 3910867, 19554335]

約数ペア:

[(1, 19554335), (5, 3910867), (17, 1150255), (31, 630785), (41, 476935), (85, 230051), (155, 126157), (181, 108035), (205, 95387), (527, 37105), (697, 28055), (905, 21607), (1271, 15385), (2635, 7421), (3077, 6355), (3485, 5611)]