18157365

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 14773995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 419, 535, 963, 1257, 1605, 2095, 2889, 3771, 4815, 6285, 8667, 11313, 14445, 18855, 33939, 43335, 44833, 56565, 134499, 169695, 224165, 403497, 672495, 1210491, 2017485, 3631473, 6052455, 18157365]

約数ペア:

[(1, 18157365), (3, 6052455), (5, 3631473), (9, 2017485), (15, 1210491), (27, 672495), (45, 403497), (81, 224165), (107, 169695), (135, 134499), (321, 56565), (405, 44833), (419, 43335), (535, 33939), (963, 18855), (1257, 14445), (1605, 11313), (2095, 8667), (2889, 6285), (3771, 4815)]