19813101

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12253}}^1$

素因数の和:12281

約数の個数: 24

約数和(自身を含む): 33526944

約数和(自身を除く): 13713843

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12253, 36759, 85771, 134783, 257313, 404349, 600397, 943481, 1801191, 2830443, 6604367, 19813101]

約数ペア:

[(1, 19813101), (3, 6604367), (7, 2830443), (11, 1801191), (21, 943481), (33, 600397), (49, 404349), (77, 257313), (147, 134783), (231, 85771), (539, 36759), (1617, 12253)]