18784498509

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:1021

約数の個数: 96

約数和(自身を含む): 32757903360

約数和(自身を除く): 13973404851

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 167, 189, 243, 267, 501, 567, 623, 743, 801, 1169, 1503, 1701, 1869, 2229, 2403, 3507, 4509, 5201, 5607, 6687, 7209, 10521, 13527, 14863, 15603, 16821, 20061, 21627, 31563, 40581, 44589, 46809, 50463, 60183, 66127, 94689, 104041, 124081, 133767, 140427, 151389, 180549, 198381, 284067, 312123, 372243, 401301, 421281, 462889, 595143, 868567, 936369, 1116729, 1203903, 1263843, 1388667, 1785429, 2605701, 2809107, 3350187, 3611709, 4166001, 5356287, 7817103, 8427321, 10050561, 11043209, 12498003, 16068861, 23451309, 25281963, 30151683, 33129627, 37494009, 70353927, 77302463, 99388881, 112482027, 211061781, 231907389, 298166643, 695722167, 894499929, 2087166501, 2683499787, 6261499503, 18784498509]

約数ペア:

[(1, 18784498509), (3, 6261499503), (7, 2683499787), (9, 2087166501), (21, 894499929), (27, 695722167), (63, 298166643), (81, 231907389), (89, 211061781), (167, 112482027), (189, 99388881), (243, 77302463), (267, 70353927), (501, 37494009), (567, 33129627), (623, 30151683), (743, 25281963), (801, 23451309), (1169, 16068861), (1503, 12498003), (1701, 11043209), (1869, 10050561), (2229, 8427321), (2403, 7817103), (3507, 5356287), (4509, 4166001), (5201, 3611709), (5607, 3350187), (6687, 2809107), (7209, 2605701), (10521, 1785429), (13527, 1388667), (14863, 1263843), (15603, 1203903), (16821, 1116729), (20061, 936369), (21627, 868567), (31563, 595143), (40581, 462889), (44589, 421281), (46809, 401301), (50463, 372243), (60183, 312123), (66127, 284067), (94689, 198381), (104041, 180549), (124081, 151389), (133767, 140427)]