18704751

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 27406080

約数和(自身を除く): 8701329

約数列:

[1, 3, 13, 39, 79, 169, 237, 467, 507, 1027, 1401, 3081, 6071, 13351, 18213, 36893, 40053, 78923, 110679, 236769, 479609, 1438827, 6234917, 18704751]

約数ペア:

[(1, 18704751), (3, 6234917), (13, 1438827), (39, 479609), (79, 236769), (169, 110679), (237, 78923), (467, 40053), (507, 36893), (1027, 18213), (1401, 13351), (3081, 6071)]