19650878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1933}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 35090496

約数和(自身を除く): 15439618

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1933, 3866, 5083, 10166, 25129, 32861, 44459, 50258, 65722, 88918, 427193, 577967, 755803, 854386, 1155934, 1511606, 9825439, 19650878]

約数ペア:

[(1, 19650878), (2, 9825439), (13, 1511606), (17, 1155934), (23, 854386), (26, 755803), (34, 577967), (46, 427193), (221, 88918), (299, 65722), (391, 50258), (442, 44459), (598, 32861), (782, 25129), (1933, 10166), (3866, 5083)]