19775301

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4301

約数の個数: 32

約数和(自身を含む): 34368768

約数和(自身を除く): 14593467

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4261, 4641, 12783, 29827, 55393, 72437, 89481, 166179, 217311, 387751, 507059, 941681, 1163253, 1521177, 2825043, 6591767, 19775301]

約数ペア:

[(1, 19775301), (3, 6591767), (7, 2825043), (13, 1521177), (17, 1163253), (21, 941681), (39, 507059), (51, 387751), (91, 217311), (119, 166179), (221, 89481), (273, 72437), (357, 55393), (663, 29827), (1547, 12783), (4261, 4641)]