19319938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21419}}^1$

素因数の和:21473

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 13067102

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21419, 42838, 235609, 471218, 878179, 1756358, 9659969, 19319938]

約数ペア:

[(1, 19319938), (2, 9659969), (11, 1756358), (22, 878179), (41, 471218), (82, 235609), (451, 42838), (902, 21419)]