18951215

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 4687825

約数列:

[1, 5, 37, 89, 185, 445, 1151, 3293, 5755, 16465, 42587, 102439, 212935, 512195, 3790243, 18951215]

約数ペア:

[(1, 18951215), (5, 3790243), (37, 512195), (89, 212935), (185, 102439), (445, 42587), (1151, 16465), (3293, 5755)]