18961256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 38024640

約数和(自身を除く): 19063384

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1303, 1819, 2606, 3638, 5212, 7276, 10424, 14552, 22151, 44302, 88604, 139421, 177208, 278842, 557684, 1115368, 2370157, 4740314, 9480628, 18961256]

約数ペア:

[(1, 18961256), (2, 9480628), (4, 4740314), (8, 2370157), (17, 1115368), (34, 557684), (68, 278842), (107, 177208), (136, 139421), (214, 88604), (428, 44302), (856, 22151), (1303, 14552), (1819, 10424), (2606, 7276), (3638, 5212)]