18977956

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 34047104

約数和(自身を除く): 15069148

約数列:

[1, 2, 4, 73, 103, 146, 206, 292, 412, 631, 1262, 2524, 7519, 15038, 30076, 46063, 64993, 92126, 129986, 184252, 259972, 4744489, 9488978, 18977956]

約数ペア:

[(1, 18977956), (2, 9488978), (4, 4744489), (73, 259972), (103, 184252), (146, 129986), (206, 92126), (292, 64993), (412, 46063), (631, 30076), (1262, 15038), (2524, 7519)]