18969272

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 43008000

約数和(自身を除く): 24038728

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 223, 248, 343, 392, 434, 446, 686, 868, 892, 1372, 1519, 1561, 1736, 1784, 2744, 3038, 3122, 6076, 6244, 6913, 10633, 10927, 12152, 12488, 13826, 21266, 21854, 27652, 42532, 43708, 48391, 55304, 76489, 85064, 87416, 96782, 152978, 193564, 305956, 338737, 387128, 611912, 677474, 1354948, 2371159, 2709896, 4742318, 9484636, 18969272]

約数ペア:

[(1, 18969272), (2, 9484636), (4, 4742318), (7, 2709896), (8, 2371159), (14, 1354948), (28, 677474), (31, 611912), (49, 387128), (56, 338737), (62, 305956), (98, 193564), (124, 152978), (196, 96782), (217, 87416), (223, 85064), (248, 76489), (343, 55304), (392, 48391), (434, 43708), (446, 42532), (686, 27652), (868, 21854), (892, 21266), (1372, 13826), (1519, 12488), (1561, 12152), (1736, 10927), (1784, 10633), (2744, 6913), (3038, 6244), (3122, 6076)]