19101489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10758351

約数列:

[1, 3, 11, 17, 33, 51, 79, 187, 237, 431, 561, 869, 1293, 1343, 2607, 4029, 4741, 7327, 14223, 14773, 21981, 34049, 44319, 80597, 102147, 241791, 374539, 578833, 1123617, 1736499, 6367163, 19101489]

約数ペア:

[(1, 19101489), (3, 6367163), (11, 1736499), (17, 1123617), (33, 578833), (51, 374539), (79, 241791), (187, 102147), (237, 80597), (431, 44319), (561, 34049), (869, 21981), (1293, 14773), (1343, 14223), (2607, 7327), (4029, 4741)]