20181890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118717}}^1$

素因数の和:118741

約数の個数: 16

約数和(自身を含む): 38464632

約数和(自身を除く): 18282742

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118717, 237434, 593585, 1187170, 2018189, 4036378, 10090945, 20181890]

約数ペア:

[(1, 20181890), (2, 10090945), (5, 4036378), (10, 2018189), (17, 1187170), (34, 593585), (85, 237434), (170, 118717)]