18379329

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 26034048

約数和(自身を除く): 7654719

約数列:

[1, 3, 17, 51, 557, 647, 1671, 1941, 9469, 10999, 28407, 32997, 360379, 1081137, 6126443, 18379329]

約数ペア:

[(1, 18379329), (3, 6126443), (17, 1081137), (51, 360379), (557, 32997), (647, 28407), (1671, 10999), (1941, 9469)]