17981360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3079}}^1$

素因数の和:3165

約数の個数: 40

約数和(自身を含む): 42393120

約数和(自身を除く): 24411760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3079, 5840, 6158, 12316, 15395, 24632, 30790, 49264, 61580, 123160, 224767, 246320, 449534, 899068, 1123835, 1798136, 2247670, 3596272, 4495340, 8990680, 17981360]

約数ペア:

[(1, 17981360), (2, 8990680), (4, 4495340), (5, 3596272), (8, 2247670), (10, 1798136), (16, 1123835), (20, 899068), (40, 449534), (73, 246320), (80, 224767), (146, 123160), (292, 61580), (365, 49264), (584, 30790), (730, 24632), (1168, 15395), (1460, 12316), (2920, 6158), (3079, 5840)]