18682958

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 14314930

約数列:

[1, 2, 7, 14, 61, 122, 131, 167, 262, 334, 427, 854, 917, 1169, 1834, 2338, 7991, 10187, 15982, 20374, 21877, 43754, 55937, 71309, 111874, 142618, 153139, 306278, 1334497, 2668994, 9341479, 18682958]

約数ペア:

[(1, 18682958), (2, 9341479), (7, 2668994), (14, 1334497), (61, 306278), (122, 153139), (131, 142618), (167, 111874), (262, 71309), (334, 55937), (427, 43754), (854, 21877), (917, 20374), (1169, 15982), (1834, 10187), (2338, 7991)]