17921738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7351}}^1$

素因数の和:7429

約数の個数: 16

約数和(自身を含む): 28584576

約数和(自身を除く): 10662838

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 7351, 14702, 169073, 338146, 389603, 779206, 8960869, 17921738]

約数ペア:

[(1, 17921738), (2, 8960869), (23, 779206), (46, 389603), (53, 338146), (106, 169073), (1219, 14702), (2438, 7351)]