19398292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 18825068

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 79, 92, 157, 158, 314, 316, 391, 628, 782, 1343, 1564, 1817, 2669, 2686, 3611, 3634, 5338, 5372, 7222, 7268, 10676, 12403, 14444, 24806, 30889, 49612, 61387, 61778, 122774, 123556, 210851, 245548, 285269, 421702, 570538, 843404, 1141076, 4849573, 9699146, 19398292]

約数ペア:

[(1, 19398292), (2, 9699146), (4, 4849573), (17, 1141076), (23, 843404), (34, 570538), (46, 421702), (68, 285269), (79, 245548), (92, 210851), (157, 123556), (158, 122774), (314, 61778), (316, 61387), (391, 49612), (628, 30889), (782, 24806), (1343, 14444), (1564, 12403), (1817, 10676), (2669, 7268), (2686, 7222), (3611, 5372), (3634, 5338)]