18398199754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{709}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 31469472000

約数和(自身を除く): 13071272246

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 407, 449, 709, 781, 814, 898, 1418, 1562, 2627, 4939, 5254, 7799, 9878, 15598, 16613, 26233, 28897, 31879, 33226, 50339, 52466, 57794, 63758, 100678, 182743, 288563, 318341, 350669, 365486, 553729, 577126, 636682, 701338, 1107458, 1179523, 1862543, 2359046, 3501751, 3725086, 7003502, 11778617, 12974753, 20487973, 22602211, 23557234, 25949506, 40975946, 45204422, 129564787, 248624321, 259129574, 497248642, 836281807, 1672563614, 9199099877, 18398199754]

約数ペア:

[(1, 18398199754), (2, 9199099877), (11, 1672563614), (22, 836281807), (37, 497248642), (71, 259129574), (74, 248624321), (142, 129564787), (407, 45204422), (449, 40975946), (709, 25949506), (781, 23557234), (814, 22602211), (898, 20487973), (1418, 12974753), (1562, 11778617), (2627, 7003502), (4939, 3725086), (5254, 3501751), (7799, 2359046), (9878, 1862543), (15598, 1179523), (16613, 1107458), (26233, 701338), (28897, 636682), (31879, 577126), (33226, 553729), (50339, 365486), (52466, 350669), (57794, 318341), (63758, 288563), (100678, 182743)]