19447013

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 21373440

約数和(自身を除く): 1926427

約数列:

[1, 19, 31, 137, 241, 589, 2603, 4247, 4579, 7471, 33017, 80693, 141949, 627323, 1023527, 19447013]

約数ペア:

[(1, 19447013), (19, 1023527), (31, 627323), (137, 141949), (241, 80693), (589, 33017), (2603, 7471), (4247, 4579)]