19563175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 25926912

約数和(自身を除く): 6363737

約数列:

[1, 5, 17, 25, 85, 191, 241, 425, 955, 1205, 3247, 4097, 4775, 6025, 16235, 20485, 46031, 81175, 102425, 230155, 782527, 1150775, 3912635, 19563175]

約数ペア:

[(1, 19563175), (5, 3912635), (17, 1150775), (25, 782527), (85, 230155), (191, 102425), (241, 81175), (425, 46031), (955, 20485), (1205, 16235), (3247, 6025), (4097, 4775)]