31947018

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 68221440

約数和(自身を除く): 36274422

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2698, 3947, 4047, 7894, 8094, 11841, 23682, 74993, 149986, 224979, 280237, 449958, 560474, 840711, 1681422, 5324503, 10649006, 15973509, 31947018]

約数ペア:

[(1, 31947018), (2, 15973509), (3, 10649006), (6, 5324503), (19, 1681422), (38, 840711), (57, 560474), (71, 449958), (114, 280237), (142, 224979), (213, 149986), (426, 74993), (1349, 23682), (2698, 11841), (3947, 8094), (4047, 7894)]