18792789

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 25981440

約数和(自身を除く): 7188651

約数列:

[1, 3, 31, 93, 397, 509, 1191, 1527, 12307, 15779, 36921, 47337, 202073, 606219, 6264263, 18792789]

約数ペア:

[(1, 18792789), (3, 6264263), (31, 606219), (93, 202073), (397, 47337), (509, 36921), (1191, 15779), (1527, 12307)]