18289874

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:1021

約数の個数: 16

約数和(自身を含む): 28062936

約数和(自身を除く): 9773062

約数列:

[1, 2, 61, 122, 197, 394, 761, 1522, 12017, 24034, 46421, 92842, 149917, 299834, 9144937, 18289874]

約数ペア:

[(1, 18289874), (2, 9144937), (61, 299834), (122, 149917), (197, 92842), (394, 46421), (761, 24034), (1522, 12017)]