19279442

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 37298520

約数和(自身を除く): 18019078

約数列:

[1, 2, 7, 13, 14, 26, 37, 49, 74, 91, 98, 182, 259, 409, 481, 518, 637, 818, 962, 1274, 1813, 2863, 3367, 3626, 5317, 5726, 6734, 10634, 15133, 20041, 23569, 30266, 37219, 40082, 47138, 74438, 105931, 196729, 211862, 260533, 393458, 521066, 741517, 1377103, 1483034, 2754206, 9639721, 19279442]

約数ペア:

[(1, 19279442), (2, 9639721), (7, 2754206), (13, 1483034), (14, 1377103), (26, 741517), (37, 521066), (49, 393458), (74, 260533), (91, 211862), (98, 196729), (182, 105931), (259, 74438), (409, 47138), (481, 40082), (518, 37219), (637, 30266), (818, 23569), (962, 20041), (1274, 15133), (1813, 10634), (2863, 6734), (3367, 5726), (3626, 5317)]