19514971

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 4207013

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2287, 8533, 16009, 52601, 121211, 368207, 848477, 2787853, 19514971]

約数ペア:

[(1, 19514971), (7, 2787853), (23, 848477), (53, 368207), (161, 121211), (371, 52601), (1219, 16009), (2287, 8533)]