18648495

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 14840145

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1291, 1605, 2889, 3873, 4815, 6455, 11619, 14445, 19365, 34857, 58095, 138137, 174285, 414411, 690685, 1243233, 2072055, 3729699, 6216165, 18648495]

約数ペア:

[(1, 18648495), (3, 6216165), (5, 3729699), (9, 2072055), (15, 1243233), (27, 690685), (45, 414411), (107, 174285), (135, 138137), (321, 58095), (535, 34857), (963, 19365), (1291, 14445), (1605, 11619), (2889, 6455), (3873, 4815)]