18473559

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 27054720

約数和(自身を除く): 8581161

約数列:

[1, 3, 13, 39, 83, 169, 249, 439, 507, 1079, 1317, 3237, 5707, 14027, 17121, 36437, 42081, 74191, 109311, 222573, 473681, 1421043, 6157853, 18473559]

約数ペア:

[(1, 18473559), (3, 6157853), (13, 1421043), (39, 473681), (83, 222573), (169, 109311), (249, 74191), (439, 42081), (507, 36437), (1079, 17121), (1317, 14027), (3237, 5707)]