19207783

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2251}}^1$

素因数の和:2334

約数の個数: 16

約数和(自身を含む): 23348736

約数和(自身を除く): 4140953

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2251, 8533, 15757, 51773, 119303, 362411, 835121, 2743969, 19207783]

約数ペア:

[(1, 19207783), (7, 2743969), (23, 835121), (53, 362411), (161, 119303), (371, 51773), (1219, 15757), (2251, 8533)]