19215866

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1033}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 29481408

約数和(自身を除く): 10265542

約数列:

[1, 2, 71, 131, 142, 262, 1033, 2066, 9301, 18602, 73343, 135323, 146686, 270646, 9607933, 19215866]

約数ペア:

[(1, 19215866), (2, 9607933), (71, 270646), (131, 146686), (142, 135323), (262, 73343), (1033, 18602), (2066, 9301)]