19726851

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 28474864

約数和(自身を除く): 8748013

約数列:

[1, 3, 17, 51, 61, 183, 289, 373, 867, 1037, 1119, 3111, 6341, 17629, 19023, 22753, 52887, 68259, 107797, 323391, 386801, 1160403, 6575617, 19726851]

約数ペア:

[(1, 19726851), (3, 6575617), (17, 1160403), (51, 386801), (61, 323391), (183, 107797), (289, 68259), (373, 52887), (867, 22753), (1037, 19023), (1119, 17629), (3111, 6341)]