19522937

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 23625600

約数和(自身を除く): 4102663

約数列:

[1, 7, 19, 133, 229, 641, 1603, 4351, 4487, 12179, 30457, 85253, 146789, 1027523, 2788991, 19522937]

約数ペア:

[(1, 19522937), (7, 2788991), (19, 1027523), (133, 146789), (229, 85253), (641, 30457), (1603, 12179), (4351, 4487)]