18680455878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1109159}}^1$

素因数の和:1109572

約数の個数: 32

約数和(自身を含む): 42804702720

約数和(自身を除く): 24124246842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 2406, 2807, 5614, 8421, 16842, 1109159, 2218318, 3327477, 6654954, 7764113, 15528226, 23292339, 46584678, 444772759, 889545518, 1334318277, 2668636554, 3113409313, 6226818626, 9340227939, 18680455878]

約数ペア:

[(1, 18680455878), (2, 9340227939), (3, 6226818626), (6, 3113409313), (7, 2668636554), (14, 1334318277), (21, 889545518), (42, 444772759), (401, 46584678), (802, 23292339), (1203, 15528226), (2406, 7764113), (2807, 6654954), (5614, 3327477), (8421, 2218318), (16842, 1109159)]