18879392

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1053

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 24121888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 947, 1246, 1424, 1894, 2492, 2848, 3788, 4984, 6629, 7576, 9968, 13258, 15152, 19936, 26516, 30304, 53032, 84283, 106064, 168566, 212128, 337132, 589981, 674264, 1179962, 1348528, 2359924, 2697056, 4719848, 9439696, 18879392]

約数ペア:

[(1, 18879392), (2, 9439696), (4, 4719848), (7, 2697056), (8, 2359924), (14, 1348528), (16, 1179962), (28, 674264), (32, 589981), (56, 337132), (89, 212128), (112, 168566), (178, 106064), (224, 84283), (356, 53032), (623, 30304), (712, 26516), (947, 19936), (1246, 15152), (1424, 13258), (1894, 9968), (2492, 7576), (2848, 6629), (3788, 4984)]