19405449

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18119}}^1$

素因数の和:18149

約数の個数: 24

約数和(自身を含む): 33920640

約数和(自身を除く): 14515191

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18119, 54357, 126833, 163071, 308023, 380499, 924069, 1141497, 2156161, 2772207, 6468483, 19405449]

約数ペア:

[(1, 19405449), (3, 6468483), (7, 2772207), (9, 2156161), (17, 1141497), (21, 924069), (51, 380499), (63, 308023), (119, 163071), (153, 126833), (357, 54357), (1071, 18119)]