18857579

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 21283584

約数和(自身を除く): 2426005

約数列:

[1, 13, 31, 73, 403, 641, 949, 2263, 8333, 19871, 29419, 46793, 258323, 608309, 1450583, 18857579]

約数ペア:

[(1, 18857579), (13, 1450583), (31, 608309), (73, 258323), (403, 46793), (641, 29419), (949, 19871), (2263, 8333)]