19550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:52

約数の個数: 24

約数和(自身を含む): 40176

約数和(自身を除く): 20626

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1150, 1955, 3910, 9775, 19550]

約数ペア:

[(1, 19550), (2, 9775), (5, 3910), (10, 1955), (17, 1150), (23, 850), (25, 782), (34, 575), (46, 425), (50, 391), (85, 230), (115, 170)]