19750822

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 18457418

約数列:

[1, 2, 7, 13, 14, 26, 37, 49, 74, 91, 98, 182, 259, 419, 481, 518, 637, 838, 962, 1274, 1813, 2933, 3367, 3626, 5447, 5866, 6734, 10894, 15503, 20531, 23569, 31006, 38129, 41062, 47138, 76258, 108521, 201539, 217042, 266903, 403078, 533806, 759647, 1410773, 1519294, 2821546, 9875411, 19750822]

約数ペア:

[(1, 19750822), (2, 9875411), (7, 2821546), (13, 1519294), (14, 1410773), (26, 759647), (37, 533806), (49, 403078), (74, 266903), (91, 217042), (98, 201539), (182, 108521), (259, 76258), (419, 47138), (481, 41062), (518, 38129), (637, 31006), (838, 23569), (962, 20531), (1274, 15503), (1813, 10894), (2933, 6734), (3367, 5866), (3626, 5447)]