20189013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 31562496

約数和(自身を除く): 11373483

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 823, 1443, 1887, 2469, 8177, 10699, 13991, 24531, 30451, 32097, 41973, 91353, 181883, 395863, 517667, 545649, 1187589, 1553001, 6729671, 20189013]

約数ペア:

[(1, 20189013), (3, 6729671), (13, 1553001), (17, 1187589), (37, 545649), (39, 517667), (51, 395863), (111, 181883), (221, 91353), (481, 41973), (629, 32097), (663, 30451), (823, 24531), (1443, 13991), (1887, 10699), (2469, 8177)]