18686954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 33191424

約数和(自身を除く): 14504470

約数列:

[1, 2, 11, 13, 22, 26, 143, 223, 286, 293, 446, 586, 2453, 2899, 3223, 3809, 4906, 5798, 6446, 7618, 31889, 41899, 63778, 65339, 83798, 130678, 718729, 849407, 1437458, 1698814, 9343477, 18686954]

約数ペア:

[(1, 18686954), (2, 9343477), (11, 1698814), (13, 1437458), (22, 849407), (26, 718729), (143, 130678), (223, 83798), (286, 65339), (293, 63778), (446, 41899), (586, 31889), (2453, 7618), (2899, 6446), (3223, 5798), (3809, 4906)]