19811092

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1736

約数の個数: 36

約数和(自身を含む): 41015604

約数和(自身を除く): 21204512

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1657, 1708, 2989, 3314, 5978, 6628, 11599, 11956, 23198, 46396, 81193, 101077, 162386, 202154, 324772, 404308, 707539, 1415078, 2830156, 4952773, 9905546, 19811092]

約数ペア:

[(1, 19811092), (2, 9905546), (4, 4952773), (7, 2830156), (14, 1415078), (28, 707539), (49, 404308), (61, 324772), (98, 202154), (122, 162386), (196, 101077), (244, 81193), (427, 46396), (854, 23198), (1657, 11956), (1708, 11599), (2989, 6628), (3314, 5978)]