17960920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6151}}^1$

素因数の和:6235

約数の個数: 32

約数和(自身を含む): 40972320

約数和(自身を除く): 23011400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6151, 12302, 24604, 30755, 49208, 61510, 123020, 246040, 449023, 898046, 1796092, 2245115, 3592184, 4490230, 8980460, 17960920]

約数ペア:

[(1, 17960920), (2, 8980460), (4, 4490230), (5, 3592184), (8, 2245115), (10, 1796092), (20, 898046), (40, 449023), (73, 246040), (146, 123020), (292, 61510), (365, 49208), (584, 30755), (730, 24604), (1460, 12302), (2920, 6151)]