19423825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 25284096

約数和(自身を除く): 5860271

約数列:

[1, 5, 25, 31, 71, 155, 353, 355, 775, 1765, 1775, 2201, 8825, 10943, 11005, 25063, 54715, 55025, 125315, 273575, 626575, 776953, 3884765, 19423825]

約数ペア:

[(1, 19423825), (5, 3884765), (25, 776953), (31, 626575), (71, 273575), (155, 125315), (353, 55025), (355, 54715), (775, 25063), (1765, 11005), (1775, 10943), (2201, 8825)]