18893168

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:3981

約数の個数: 40

約数和(自身を含む): 42818688

約数和(自身を除く): 23925520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 3923, 4816, 7846, 15692, 27461, 31384, 54922, 62768, 109844, 168689, 219688, 337378, 439376, 674756, 1180823, 1349512, 2361646, 2699024, 4723292, 9446584, 18893168]

約数ペア:

[(1, 18893168), (2, 9446584), (4, 4723292), (7, 2699024), (8, 2361646), (14, 1349512), (16, 1180823), (28, 674756), (43, 439376), (56, 337378), (86, 219688), (112, 168689), (172, 109844), (301, 62768), (344, 54922), (602, 31384), (688, 27461), (1204, 15692), (2408, 7846), (3923, 4816)]