18906465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74143}}^1$

素因数の和:74168

約数の個数: 16

約数和(自身を含む): 32030208

約数和(自身を除く): 13123743

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 74143, 222429, 370715, 1112145, 1260431, 3781293, 6302155, 18906465]

約数ペア:

[(1, 18906465), (3, 6302155), (5, 3781293), (15, 1260431), (17, 1112145), (51, 370715), (85, 222429), (255, 74143)]