18249303886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1\times {\mathrm{2557}}^1$

素因数の和:3780

約数の個数: 32

約数和(自身を含む): 29985694560

約数和(自身を除く): 11736390674

約数列:

[1, 2, 11, 22, 401, 802, 809, 1618, 2557, 4411, 5114, 8822, 8899, 17798, 28127, 56254, 324409, 648818, 1025357, 2050714, 2068613, 3568499, 4137226, 7136998, 11278927, 22557854, 22754743, 45509486, 829513813, 1659027626, 9124651943, 18249303886]

約数ペア:

[(1, 18249303886), (2, 9124651943), (11, 1659027626), (22, 829513813), (401, 45509486), (802, 22754743), (809, 22557854), (1618, 11278927), (2557, 7136998), (4411, 4137226), (5114, 3568499), (8822, 2068613), (8899, 2050714), (17798, 1025357), (28127, 648818), (56254, 324409)]