19743964

素因数分解:

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

素因数の和:3753

約数の個数: 24

約数和(自身を含む): 36892800

約数和(自身を除く): 17148836

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3659, 5396, 7318, 14636, 69521, 139042, 259789, 278084, 519578, 1039156, 4935991, 9871982, 19743964]

約数ペア:

[(1, 19743964), (2, 9871982), (4, 4935991), (19, 1039156), (38, 519578), (71, 278084), (76, 259789), (142, 139042), (284, 69521), (1349, 14636), (2698, 7318), (3659, 5396)]