20190885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9413}}^1$

素因数の和:9445

約数の個数: 32

約数和(自身を含む): 37957248

約数和(自身を除く): 17766363

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9413, 28239, 47065, 103543, 122369, 141195, 310629, 367107, 517715, 611845, 1346059, 1553145, 1835535, 4038177, 6730295, 20190885]

約数ペア:

[(1, 20190885), (3, 6730295), (5, 4038177), (11, 1835535), (13, 1553145), (15, 1346059), (33, 611845), (39, 517715), (55, 367107), (65, 310629), (143, 141195), (165, 122369), (195, 103543), (429, 47065), (715, 28239), (2145, 9413)]