19004940227

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1151}}^1$

素因数の和:1238

約数の個数: 60

約数和(自身を含む): 24981513984

約数和(自身を除く): 5976573757

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 343, 529, 637, 1127, 1151, 2093, 2401, 3703, 4459, 6877, 7889, 8057, 14651, 14963, 25921, 26473, 31213, 48139, 55223, 56399, 102557, 104741, 181447, 185311, 336973, 344149, 394793, 608879, 717899, 733187, 1270129, 1297177, 2358811, 2409043, 2763551, 4262153, 5132309, 7915427, 9080239, 16511677, 16863301, 29835071, 35926163, 55407989, 63561673, 118043107, 208845497, 387855923, 826301749, 1461918479, 2714991461, 19004940227]

約数ペア:

[(1, 19004940227), (7, 2714991461), (13, 1461918479), (23, 826301749), (49, 387855923), (91, 208845497), (161, 118043107), (299, 63561673), (343, 55407989), (529, 35926163), (637, 29835071), (1127, 16863301), (1151, 16511677), (2093, 9080239), (2401, 7915427), (3703, 5132309), (4459, 4262153), (6877, 2763551), (7889, 2409043), (8057, 2358811), (14651, 1297177), (14963, 1270129), (25921, 733187), (26473, 717899), (31213, 608879), (48139, 394793), (55223, 344149), (56399, 336973), (102557, 185311), (104741, 181447)]