18388461

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 30419200

約数和(自身を除く): 12030739

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 349, 579, 1047, 1351, 2443, 2509, 4053, 4537, 7329, 7527, 13611, 17563, 31759, 52689, 67357, 95277, 202071, 471499, 875641, 1414497, 2626923, 6129487, 18388461]

約数ペア:

[(1, 18388461), (3, 6129487), (7, 2626923), (13, 1414497), (21, 875641), (39, 471499), (91, 202071), (193, 95277), (273, 67357), (349, 52689), (579, 31759), (1047, 17563), (1351, 13611), (2443, 7527), (2509, 7329), (4053, 4537)]