18903416

素因数分解:

$2^3\times 7^3\times {\mathrm{83}}^2$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 41838000

約数和(自身を除く): 22934584

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 83, 98, 166, 196, 332, 343, 392, 581, 664, 686, 1162, 1372, 2324, 2744, 4067, 4648, 6889, 8134, 13778, 16268, 27556, 28469, 32536, 48223, 55112, 56938, 96446, 113876, 192892, 227752, 337561, 385784, 675122, 1350244, 2362927, 2700488, 4725854, 9451708, 18903416]

約数ペア:

[(1, 18903416), (2, 9451708), (4, 4725854), (7, 2700488), (8, 2362927), (14, 1350244), (28, 675122), (49, 385784), (56, 337561), (83, 227752), (98, 192892), (166, 113876), (196, 96446), (332, 56938), (343, 55112), (392, 48223), (581, 32536), (664, 28469), (686, 27556), (1162, 16268), (1372, 13778), (2324, 8134), (2744, 6889), (4067, 4648)]