19325306

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 20591494

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 197, 286, 343, 394, 539, 637, 686, 1001, 1078, 1274, 1379, 2002, 2167, 2561, 2758, 3773, 4334, 4459, 5122, 7007, 7546, 8918, 9653, 14014, 15169, 17927, 19306, 28171, 30338, 35854, 49049, 56342, 67571, 98098, 106183, 125489, 135142, 197197, 212366, 250978, 394394, 743281, 878423, 1380379, 1486562, 1756846, 2760758, 9662653, 19325306]

約数ペア:

[(1, 19325306), (2, 9662653), (7, 2760758), (11, 1756846), (13, 1486562), (14, 1380379), (22, 878423), (26, 743281), (49, 394394), (77, 250978), (91, 212366), (98, 197197), (143, 135142), (154, 125489), (182, 106183), (197, 98098), (286, 67571), (343, 56342), (394, 49049), (539, 35854), (637, 30338), (686, 28171), (1001, 19306), (1078, 17927), (1274, 15169), (1379, 14014), (2002, 9653), (2167, 8918), (2561, 7546), (2758, 7007), (3773, 5122), (4334, 4459)]