18983325

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2133

約数の個数: 24

約数和(自身を含む): 31648768

約数和(自身を除く): 12665443

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 1993, 3175, 5979, 9525, 9965, 29895, 49825, 149475, 253111, 759333, 1265555, 3796665, 6327775, 18983325]

約数ペア:

[(1, 18983325), (3, 6327775), (5, 3796665), (15, 1265555), (25, 759333), (75, 253111), (127, 149475), (381, 49825), (635, 29895), (1905, 9965), (1993, 9525), (3175, 5979)]