18913846

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3209}}^1$

素因数の和:3639

約数の個数: 16

約数和(自身を含む): 32510880

約数和(自身を除く): 13597034

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3209, 5894, 6418, 22463, 44926, 1350989, 2701978, 9456923, 18913846]

約数ペア:

[(1, 18913846), (2, 9456923), (7, 2701978), (14, 1350989), (421, 44926), (842, 22463), (2947, 6418), (3209, 5894)]