18903214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 14481746

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1103, 1558, 2206, 8569, 12133, 17138, 20957, 24266, 41914, 45223, 90446, 230527, 461054, 497453, 859237, 994906, 1718474, 9451607, 18903214]

約数ペア:

[(1, 18903214), (2, 9451607), (11, 1718474), (19, 994906), (22, 859237), (38, 497453), (41, 461054), (82, 230527), (209, 90446), (418, 45223), (451, 41914), (779, 24266), (902, 20957), (1103, 17138), (1558, 12133), (2206, 8569)]