19450005

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12589}}^1$

素因数の和:12700

約数の個数: 16

約数和(自身を含む): 31424640

約数和(自身を除く): 11974635

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 12589, 37767, 62945, 188835, 1296667, 3890001, 6483335, 19450005]

約数ペア:

[(1, 19450005), (3, 6483335), (5, 3890001), (15, 1296667), (103, 188835), (309, 62945), (515, 37767), (1545, 12589)]