18440365

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3911}}^1$

素因数の和:3980

約数の個数: 16

約数和(自身を含む): 23659776

約数和(自身を除く): 5219411

約数列:

[1, 5, 23, 41, 115, 205, 943, 3911, 4715, 19555, 89953, 160351, 449765, 801755, 3688073, 18440365]

約数ペア:

[(1, 18440365), (5, 3688073), (23, 801755), (41, 449765), (115, 160351), (205, 89953), (943, 19555), (3911, 4715)]