19080789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13094571

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1889, 3367, 5667, 10101, 13223, 24557, 39669, 69893, 73671, 171899, 209679, 489251, 515697, 908609, 1467753, 2725827, 6360263, 19080789]

約数ペア:

[(1, 19080789), (3, 6360263), (7, 2725827), (13, 1467753), (21, 908609), (37, 515697), (39, 489251), (91, 209679), (111, 171899), (259, 73671), (273, 69893), (481, 39669), (777, 24557), (1443, 13223), (1889, 10101), (3367, 5667)]