19501505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1993}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 24885120

約数和(自身を除く): 5383615

約数列:

[1, 5, 19, 95, 103, 515, 1957, 1993, 9785, 9965, 37867, 189335, 205279, 1026395, 3900301, 19501505]

約数ペア:

[(1, 19501505), (5, 3900301), (19, 1026395), (95, 205279), (103, 189335), (515, 37867), (1957, 9965), (1993, 9785)]