18976898

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{997}}^1$

素因数の和:1337

約数の個数: 16

約数和(自身を含む): 29508864

約数和(自身を除く): 10531966

約数列:

[1, 2, 31, 62, 307, 614, 997, 1994, 9517, 19034, 30907, 61814, 306079, 612158, 9488449, 18976898]

約数ペア:

[(1, 18976898), (2, 9488449), (31, 612158), (62, 306079), (307, 61814), (614, 30907), (997, 19034), (1994, 9517)]