19349745

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 12873999

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 431, 615, 1095, 1293, 2155, 2993, 6465, 8979, 14965, 17671, 31463, 44895, 53013, 88355, 94389, 157315, 265065, 471945, 1289983, 3869949, 6449915, 19349745]

約数ペア:

[(1, 19349745), (3, 6449915), (5, 3869949), (15, 1289983), (41, 471945), (73, 265065), (123, 157315), (205, 94389), (219, 88355), (365, 53013), (431, 44895), (615, 31463), (1095, 17671), (1293, 14965), (2155, 8979), (2993, 6465)]