18071365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6781}}^1$

素因数の和:6840

約数の個数: 16

約数和(自身を含む): 23926896

約数和(自身を除く): 5855531

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 6781, 33905, 88153, 278021, 440765, 1390105, 3614273, 18071365]

約数ペア:

[(1, 18071365), (5, 3614273), (13, 1390105), (41, 440765), (65, 278021), (205, 88153), (533, 33905), (2665, 6781)]