9871982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3659}}^1$

素因数の和:3751

約数の個数: 16

約数和(自身を含む): 15811200

約数和(自身を除く): 5939218

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 3659, 7318, 69521, 139042, 259789, 519578, 4935991, 9871982]

約数ペア:

[(1, 9871982), (2, 4935991), (19, 519578), (38, 259789), (71, 139042), (142, 69521), (1349, 7318), (2698, 3659)]