18713883

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 25414400

約数和(自身を除く): 6700517

約数列:

[1, 3, 109, 151, 327, 379, 453, 1137, 16459, 41311, 49377, 57229, 123933, 171687, 6237961, 18713883]

約数ペア:

[(1, 18713883), (3, 6237961), (109, 171687), (151, 123933), (327, 57229), (379, 49377), (453, 41311), (1137, 16459)]