18977732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3517}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 35461440

約数和(自身を除く): 16483708

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3517, 5396, 7034, 14068, 66823, 133646, 249707, 267292, 499414, 998828, 4744433, 9488866, 18977732]

約数ペア:

[(1, 18977732), (2, 9488866), (4, 4744433), (19, 998828), (38, 499414), (71, 267292), (76, 249707), (142, 133646), (284, 66823), (1349, 14068), (2698, 7034), (3517, 5396)]