18149956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 18174332

約数列:

[1, 2, 4, 11, 22, 43, 44, 53, 86, 106, 172, 181, 212, 362, 473, 583, 724, 946, 1166, 1892, 1991, 2279, 2332, 3982, 4558, 7783, 7964, 9116, 9593, 15566, 19186, 25069, 31132, 38372, 50138, 85613, 100276, 105523, 171226, 211046, 342452, 412499, 422092, 824998, 1649996, 4537489, 9074978, 18149956]

約数ペア:

[(1, 18149956), (2, 9074978), (4, 4537489), (11, 1649996), (22, 824998), (43, 422092), (44, 412499), (53, 342452), (86, 211046), (106, 171226), (172, 105523), (181, 100276), (212, 85613), (362, 50138), (473, 38372), (583, 31132), (724, 25069), (946, 19186), (1166, 15566), (1892, 9593), (1991, 9116), (2279, 7964), (2332, 7783), (3982, 4558)]