18385485

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 30548352

約数和(自身を除く): 12162867

約数列:

[1, 3, 5, 15, 37, 111, 157, 185, 211, 471, 555, 633, 785, 1055, 2355, 3165, 5809, 7807, 17427, 23421, 29045, 33127, 39035, 87135, 99381, 117105, 165635, 496905, 1225699, 3677097, 6128495, 18385485]

約数ペア:

[(1, 18385485), (3, 6128495), (5, 3677097), (15, 1225699), (37, 496905), (111, 165635), (157, 117105), (185, 99381), (211, 87135), (471, 39035), (555, 33127), (633, 29045), (785, 23421), (1055, 17427), (2355, 7807), (3165, 5809)]