19409091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^2$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 29052240

約数和(自身を除く): 9643149

約数列:

[1, 3, 13, 29, 39, 87, 131, 377, 393, 1131, 1703, 3799, 5109, 11397, 17161, 49387, 51483, 148161, 223093, 497669, 669279, 1493007, 6469697, 19409091]

約数ペア:

[(1, 19409091), (3, 6469697), (13, 1493007), (29, 669279), (39, 497669), (87, 223093), (131, 148161), (377, 51483), (393, 49387), (1131, 17161), (1703, 11397), (3799, 5109)]