19113381

素因数分解:

$3^3\times 7^2\times {\mathrm{14447}}^1$

素因数の和:14470

約数の個数: 24

約数和(自身を含む): 32941440

約数和(自身を除く): 13828059

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14447, 43341, 101129, 130023, 303387, 390069, 707903, 910161, 2123709, 2730483, 6371127, 19113381]

約数ペア:

[(1, 19113381), (3, 6371127), (7, 2730483), (9, 2123709), (21, 910161), (27, 707903), (49, 390069), (63, 303387), (147, 130023), (189, 101129), (441, 43341), (1323, 14447)]