19395365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 7215835

約数列:

[1, 5, 11, 43, 55, 59, 139, 215, 295, 473, 649, 695, 1529, 2365, 2537, 3245, 5977, 7645, 8201, 12685, 27907, 29885, 41005, 65747, 90211, 139535, 328735, 352643, 451055, 1763215, 3879073, 19395365]

約数ペア:

[(1, 19395365), (5, 3879073), (11, 1763215), (43, 451055), (55, 352643), (59, 328735), (139, 139535), (215, 90211), (295, 65747), (473, 41005), (649, 29885), (695, 27907), (1529, 12685), (2365, 8201), (2537, 7645), (3245, 5977)]