20181737888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1327}}^1\times {\mathrm{36559}}^1$

素因数の和:37909

約数の個数: 48

約数和(自身を含む): 42822581760

約数和(自身を除く): 22640843872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1327, 2654, 5308, 10616, 17251, 21232, 34502, 36559, 42464, 69004, 73118, 138008, 146236, 276016, 292472, 475267, 552032, 584944, 950534, 1169888, 1901068, 3802136, 7604272, 15208544, 48513793, 97027586, 194055172, 388110344, 630679309, 776220688, 1261358618, 1552441376, 2522717236, 5045434472, 10090868944, 20181737888]

約数ペア:

[(1, 20181737888), (2, 10090868944), (4, 5045434472), (8, 2522717236), (13, 1552441376), (16, 1261358618), (26, 776220688), (32, 630679309), (52, 388110344), (104, 194055172), (208, 97027586), (416, 48513793), (1327, 15208544), (2654, 7604272), (5308, 3802136), (10616, 1901068), (17251, 1169888), (21232, 950534), (34502, 584944), (36559, 552032), (42464, 475267), (69004, 292472), (73118, 276016), (138008, 146236)]