19381318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38303}}^1$

素因数の和:38339

約数の個数: 16

約数和(自身を含む): 33094656

約数和(自身を除く): 13713338

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38303, 76606, 421333, 842666, 880969, 1761938, 9690659, 19381318]

約数ペア:

[(1, 19381318), (2, 9690659), (11, 1761938), (22, 880969), (23, 842666), (46, 421333), (253, 76606), (506, 38303)]