19021264

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19489}}^1$

素因数の和:19558

約数の個数: 20

約数和(自身を含む): 37459780

約数和(自身を除く): 18438516

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19489, 38978, 77956, 155912, 311824, 1188829, 2377658, 4755316, 9510632, 19021264]

約数ペア:

[(1, 19021264), (2, 9510632), (4, 4755316), (8, 2377658), (16, 1188829), (61, 311824), (122, 155912), (244, 77956), (488, 38978), (976, 19489)]