18878755085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{241679}}^1$

素因数の和:242620

約数の個数: 16

約数和(自身を含む): 24013324800

約数和(自身を除く): 5134569715

約数列:

[1, 5, 17, 85, 919, 4595, 15623, 78115, 241679, 1208395, 4108543, 20542715, 222103001, 1110515005, 3775751017, 18878755085]

約数ペア:

[(1, 18878755085), (5, 3775751017), (17, 1110515005), (85, 222103001), (919, 20542715), (4595, 4108543), (15623, 1208395), (78115, 241679)]