19903202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14831}}^1$

素因数の和:14905

約数の個数: 16

約数和(自身を含む): 33105024

約数和(自身を除く): 13201822

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14831, 29662, 163141, 326282, 904691, 1809382, 9951601, 19903202]

約数ペア:

[(1, 19903202), (2, 9951601), (11, 1809382), (22, 904691), (61, 326282), (122, 163141), (671, 29662), (1342, 14831)]