19690996816

素因数分解:

$2^4\times {\mathrm{2287}}^1\times {\mathrm{538123}}^1$

素因数の和:540418

約数の個数: 20

約数和(自身を含む): 38168059072

約数和(自身を除く): 18477062256

約数列:

[1, 2, 4, 8, 16, 2287, 4574, 9148, 18296, 36592, 538123, 1076246, 2152492, 4304984, 8609968, 1230687301, 2461374602, 4922749204, 9845498408, 19690996816]

約数ペア:

[(1, 19690996816), (2, 9845498408), (4, 4922749204), (8, 2461374602), (16, 1230687301), (2287, 8609968), (4574, 4304984), (9148, 2152492), (18296, 1076246), (36592, 538123)]