19722794

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 37662408

約数和(自身を除く): 17939614

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 113, 137, 182, 226, 274, 637, 791, 959, 1274, 1469, 1582, 1781, 1918, 2938, 3562, 5537, 6713, 10283, 11074, 12467, 13426, 15481, 20566, 24934, 30962, 71981, 87269, 108367, 143962, 174538, 201253, 216734, 402506, 758569, 1408771, 1517138, 2817542, 9861397, 19722794]

約数ペア:

[(1, 19722794), (2, 9861397), (7, 2817542), (13, 1517138), (14, 1408771), (26, 758569), (49, 402506), (91, 216734), (98, 201253), (113, 174538), (137, 143962), (182, 108367), (226, 87269), (274, 71981), (637, 30962), (791, 24934), (959, 20566), (1274, 15481), (1469, 13426), (1582, 12467), (1781, 11074), (1918, 10283), (2938, 6713), (3562, 5537)]