18681838

素因数分解:

$2^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 33105600

約数和(自身を除く): 14423762

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 241, 343, 482, 686, 791, 1582, 1687, 3374, 5537, 11074, 11809, 23618, 27233, 38759, 54466, 77518, 82663, 165326, 190631, 381262, 1334417, 2668834, 9340919, 18681838]

約数ペア:

[(1, 18681838), (2, 9340919), (7, 2668834), (14, 1334417), (49, 381262), (98, 190631), (113, 165326), (226, 82663), (241, 77518), (343, 54466), (482, 38759), (686, 27233), (791, 23618), (1582, 11809), (1687, 11074), (3374, 5537)]