1878126668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{204233}}^1$

素因数の和:204278

約数の個数: 36

約数和(自身を含む): 3802837080

約数和(自身を除く): 1924710412

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2299, 4598, 9196, 204233, 408466, 816932, 2246563, 3880427, 4493126, 7760854, 8986252, 15521708, 24712193, 42684697, 49424386, 85369394, 98848772, 170738788, 469531667, 939063334, 1878126668]

約数ペア:

[(1, 1878126668), (2, 939063334), (4, 469531667), (11, 170738788), (19, 98848772), (22, 85369394), (38, 49424386), (44, 42684697), (76, 24712193), (121, 15521708), (209, 8986252), (242, 7760854), (418, 4493126), (484, 3880427), (836, 2246563), (2299, 816932), (4598, 408466), (9196, 204233)]