19418145

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18233}}^1$

素因数の和:18312

約数の個数: 16

約数和(自身を含む): 31508352

約数和(自身を除く): 12090207

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18233, 54699, 91165, 273495, 1294543, 3883629, 6472715, 19418145]

約数ペア:

[(1, 19418145), (3, 6472715), (5, 3883629), (15, 1294543), (71, 273495), (213, 91165), (355, 54699), (1065, 18233)]