18322970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 15549286

約数列:

[1, 2, 5, 10, 71, 131, 142, 197, 262, 355, 394, 655, 710, 985, 1310, 1970, 9301, 13987, 18602, 25807, 27974, 46505, 51614, 69935, 93010, 129035, 139870, 258070, 1832297, 3664594, 9161485, 18322970]

約数ペア:

[(1, 18322970), (2, 9161485), (5, 3664594), (10, 1832297), (71, 258070), (131, 139870), (142, 129035), (197, 93010), (262, 69935), (355, 51614), (394, 46505), (655, 27974), (710, 25807), (985, 18602), (1310, 13987), (1970, 9301)]