19151385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3137}}^1$

素因数の和:3193

約数の個数: 32

約数和(自身を含む): 34342272

約数和(自身を除く): 15190887

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3137, 6105, 9411, 15685, 34507, 47055, 103521, 116069, 172535, 348207, 517605, 580345, 1276759, 1741035, 3830277, 6383795, 19151385]

約数ペア:

[(1, 19151385), (3, 6383795), (5, 3830277), (11, 1741035), (15, 1276759), (33, 580345), (37, 517605), (55, 348207), (111, 172535), (165, 116069), (185, 103521), (407, 47055), (555, 34507), (1221, 15685), (2035, 9411), (3137, 6105)]