18695220354

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{971}}^1\times {\mathrm{2963}}^1$

素因数の和:3980

約数の個数: 72

約数和(自身を含む): 42808897872

約数和(自身を除く): 24113677518

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 971, 1083, 1942, 2166, 2913, 2963, 3249, 5826, 5926, 6498, 8739, 8889, 17478, 17778, 18449, 26667, 36898, 53334, 55347, 56297, 110694, 112594, 166041, 168891, 332082, 337782, 350531, 506673, 701062, 1013346, 1051593, 1069643, 2103186, 2139286, 2877073, 3154779, 3208929, 5754146, 6309558, 6417858, 8631219, 9626787, 17262438, 19253574, 25893657, 51787314, 54664387, 109328774, 163993161, 327986322, 491979483, 983958966, 1038623353, 2077246706, 3115870059, 6231740118, 9347610177, 18695220354]

約数ペア:

[(1, 18695220354), (2, 9347610177), (3, 6231740118), (6, 3115870059), (9, 2077246706), (18, 1038623353), (19, 983958966), (38, 491979483), (57, 327986322), (114, 163993161), (171, 109328774), (342, 54664387), (361, 51787314), (722, 25893657), (971, 19253574), (1083, 17262438), (1942, 9626787), (2166, 8631219), (2913, 6417858), (2963, 6309558), (3249, 5754146), (5826, 3208929), (5926, 3154779), (6498, 2877073), (8739, 2139286), (8889, 2103186), (17478, 1069643), (17778, 1051593), (18449, 1013346), (26667, 701062), (36898, 506673), (53334, 350531), (55347, 337782), (56297, 332082), (110694, 168891), (112594, 166041)]