18791042

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1525

約数の個数: 16

約数和(自身を含む): 29117880

約数和(自身を除く): 10326838

約数列:

[1, 2, 37, 74, 197, 394, 1289, 2578, 7289, 14578, 47693, 95386, 253933, 507866, 9395521, 18791042]

約数ペア:

[(1, 18791042), (2, 9395521), (37, 507866), (74, 253933), (197, 95386), (394, 47693), (1289, 14578), (2578, 7289)]