18335005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{907}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 23796864

約数和(自身を除く): 5461859

約数列:

[1, 5, 13, 65, 311, 907, 1555, 4043, 4535, 11791, 20215, 58955, 282077, 1410385, 3667001, 18335005]

約数ペア:

[(1, 18335005), (5, 3667001), (13, 1410385), (65, 282077), (311, 58955), (907, 20215), (1555, 11791), (4043, 4535)]