19402525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 25873344

約数和(自身を除く): 6470819

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 643, 1207, 1775, 3215, 6035, 10931, 16075, 30175, 45653, 54655, 228265, 273275, 776101, 1141325, 3880505, 19402525]

約数ペア:

[(1, 19402525), (5, 3880505), (17, 1141325), (25, 776101), (71, 273275), (85, 228265), (355, 54655), (425, 45653), (643, 30175), (1207, 16075), (1775, 10931), (3215, 6035)]