18984597

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2371}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 26983872

約数和(自身を除く): 7999275

約数列:

[1, 3, 17, 51, 157, 471, 2371, 2669, 7113, 8007, 40307, 120921, 372247, 1116741, 6328199, 18984597]

約数ペア:

[(1, 18984597), (3, 6328199), (17, 1116741), (51, 372247), (157, 120921), (471, 40307), (2371, 8007), (2669, 7113)]