18994425

素因数分解:

$3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1009}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 31560480

約数和(自身を除く): 12566055

約数列:

[1, 3, 5, 15, 25, 75, 251, 753, 1009, 1255, 3027, 3765, 5045, 6275, 15135, 18825, 25225, 75675, 253259, 759777, 1266295, 3798885, 6331475, 18994425]

約数ペア:

[(1, 18994425), (3, 6331475), (5, 3798885), (15, 1266295), (25, 759777), (75, 253259), (251, 75675), (753, 25225), (1009, 18825), (1255, 15135), (3027, 6275), (3765, 5045)]