19149245

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^2$

素因数の和:249

約数の個数: 18

約数和(自身を含む): 24489918

約数和(自身を除く): 5340673

約数列:

[1, 5, 19, 95, 103, 361, 515, 1805, 1957, 9785, 10609, 37183, 53045, 185915, 201571, 1007855, 3829849, 19149245]

約数ペア:

[(1, 19149245), (5, 3829849), (19, 1007855), (95, 201571), (103, 185915), (361, 53045), (515, 37183), (1805, 10609), (1957, 9785)]