19317105

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 35006400

約数和(自身を除く): 15689295

約数列:

[1, 3, 5, 9, 15, 43, 45, 67, 129, 149, 201, 215, 335, 387, 447, 603, 645, 745, 1005, 1341, 1935, 2235, 2881, 3015, 6407, 6705, 8643, 9983, 14405, 19221, 25929, 29949, 32035, 43215, 49915, 57663, 89847, 96105, 129645, 149745, 288315, 429269, 449235, 1287807, 2146345, 3863421, 6439035, 19317105]

約数ペア:

[(1, 19317105), (3, 6439035), (5, 3863421), (9, 2146345), (15, 1287807), (43, 449235), (45, 429269), (67, 288315), (129, 149745), (149, 129645), (201, 96105), (215, 89847), (335, 57663), (387, 49915), (447, 43215), (603, 32035), (645, 29949), (745, 25929), (1005, 19221), (1341, 14405), (1935, 9983), (2235, 8643), (2881, 6705), (3015, 6407)]