16915856

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 35027520

約数和(自身を除く): 18111664

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1069, 1978, 2138, 3956, 4276, 7912, 8552, 15824, 17104, 24587, 45967, 49174, 91934, 98348, 183868, 196696, 367736, 393392, 735472, 1057241, 2114482, 4228964, 8457928, 16915856]

約数ペア:

[(1, 16915856), (2, 8457928), (4, 4228964), (8, 2114482), (16, 1057241), (23, 735472), (43, 393392), (46, 367736), (86, 196696), (92, 183868), (172, 98348), (184, 91934), (344, 49174), (368, 45967), (688, 24587), (989, 17104), (1069, 15824), (1978, 8552), (2138, 7912), (3956, 4276)]