18420542

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3217}}^1$

素因数の和:3635

約数の個数: 16

約数和(自身を含む): 31665120

約数和(自身を除く): 13244578

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3217, 5726, 6434, 22519, 45038, 1315753, 2631506, 9210271, 18420542]

約数ペア:

[(1, 18420542), (2, 9210271), (7, 2631506), (14, 1315753), (409, 45038), (818, 22519), (2863, 6434), (3217, 5726)]