19994245

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 25933824

約数和(自身を除く): 5939579

約数列:

[1, 5, 23, 37, 115, 127, 185, 635, 851, 1369, 2921, 4255, 4699, 6845, 14605, 23495, 31487, 108077, 157435, 173863, 540385, 869315, 3998849, 19994245]

約数ペア:

[(1, 19994245), (5, 3998849), (23, 869315), (37, 540385), (115, 173863), (127, 157435), (185, 108077), (635, 31487), (851, 23495), (1369, 14605), (2921, 6845), (4255, 4699)]