19792586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21943}}^1$

素因数の和:21997

約数の個数: 16

約数和(自身を含む): 33179328

約数和(自身を除く): 13386742

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21943, 43886, 241373, 482746, 899663, 1799326, 9896293, 19792586]

約数ペア:

[(1, 19792586), (2, 9896293), (11, 1799326), (22, 899663), (41, 482746), (82, 241373), (451, 43886), (902, 21943)]