19749569

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 23930880

約数和(自身を除く): 4181311

約数列:

[1, 7, 19, 133, 163, 911, 1141, 3097, 6377, 17309, 21679, 121163, 148493, 1039451, 2821367, 19749569]

約数ペア:

[(1, 19749569), (7, 2821367), (19, 1039451), (133, 148493), (163, 121163), (911, 21679), (1141, 17309), (3097, 6377)]