19494612

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 32397228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 261, 263, 284, 348, 426, 522, 526, 639, 789, 852, 1044, 1052, 1278, 1578, 2059, 2367, 2556, 3156, 4118, 4734, 6177, 7627, 8236, 9468, 12354, 15254, 18531, 18673, 22881, 24708, 30508, 37062, 37346, 45762, 56019, 68643, 74124, 74692, 91524, 112038, 137286, 168057, 224076, 274572, 336114, 541517, 672228, 1083034, 1624551, 2166068, 3249102, 4873653, 6498204, 9747306, 19494612]

約数ペア:

[(1, 19494612), (2, 9747306), (3, 6498204), (4, 4873653), (6, 3249102), (9, 2166068), (12, 1624551), (18, 1083034), (29, 672228), (36, 541517), (58, 336114), (71, 274572), (87, 224076), (116, 168057), (142, 137286), (174, 112038), (213, 91524), (261, 74692), (263, 74124), (284, 68643), (348, 56019), (426, 45762), (522, 37346), (526, 37062), (639, 30508), (789, 24708), (852, 22881), (1044, 18673), (1052, 18531), (1278, 15254), (1578, 12354), (2059, 9468), (2367, 8236), (2556, 7627), (3156, 6177), (4118, 4734)]