19426473

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21803}}^1$

素因数の和:21826

約数の個数: 20

約数和(自身を含む): 31659408

約数和(自身を除く): 12232935

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21803, 65409, 196227, 239833, 588681, 719499, 1766043, 2158497, 6475491, 19426473]

約数ペア:

[(1, 19426473), (3, 6475491), (9, 2158497), (11, 1766043), (27, 719499), (33, 588681), (81, 239833), (99, 196227), (297, 65409), (891, 21803)]