2019949904

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{178567}}^1$

素因数の和:178683

約数の個数: 40

約数和(自身を含む): 4517056128

約数和(自身を除く): 2497106224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 11312, 178567, 357134, 714268, 1249969, 1428536, 2499938, 2857072, 4999876, 9999752, 18035267, 19999504, 36070534, 72141068, 126246869, 144282136, 252493738, 288564272, 504987476, 1009974952, 2019949904]

約数ペア:

[(1, 2019949904), (2, 1009974952), (4, 504987476), (7, 288564272), (8, 252493738), (14, 144282136), (16, 126246869), (28, 72141068), (56, 36070534), (101, 19999504), (112, 18035267), (202, 9999752), (404, 4999876), (707, 2857072), (808, 2499938), (1414, 1428536), (1616, 1249969), (2828, 714268), (5656, 357134), (11312, 178567)]