18840315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 14060805

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1223, 3081, 3669, 5135, 6115, 15405, 15899, 18345, 47697, 79495, 96617, 238485, 289851, 483085, 1256021, 1449255, 3768063, 6280105, 18840315]

約数ペア:

[(1, 18840315), (3, 6280105), (5, 3768063), (13, 1449255), (15, 1256021), (39, 483085), (65, 289851), (79, 238485), (195, 96617), (237, 79495), (395, 47697), (1027, 18345), (1185, 15899), (1223, 15405), (3081, 6115), (3669, 5135)]