2019918121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 2534353920

約数和(自身を除く): 514435799

約数列:

[1, 13, 17, 23, 29, 71, 193, 221, 299, 377, 391, 493, 667, 923, 1207, 1633, 2059, 2509, 3281, 4439, 5083, 5597, 6409, 8671, 11339, 13703, 15691, 21229, 26767, 27761, 35003, 42653, 47357, 57707, 72761, 75463, 95149, 128731, 147407, 178139, 232951, 315169, 360893, 397387, 455039, 615641, 805069, 981019, 1236937, 1673503, 2188427, 3028363, 4097197, 5166031, 5357873, 6755579, 9139901, 10465897, 28449551, 69652349, 87822527, 118818713, 155378317, 2019918121]

約数ペア:

[(1, 2019918121), (13, 155378317), (17, 118818713), (23, 87822527), (29, 69652349), (71, 28449551), (193, 10465897), (221, 9139901), (299, 6755579), (377, 5357873), (391, 5166031), (493, 4097197), (667, 3028363), (923, 2188427), (1207, 1673503), (1633, 1236937), (2059, 981019), (2509, 805069), (3281, 615641), (4439, 455039), (5083, 397387), (5597, 360893), (6409, 315169), (8671, 232951), (11339, 178139), (13703, 147407), (15691, 128731), (21229, 95149), (26767, 75463), (27761, 72761), (35003, 57707), (42653, 47357)]