18647216

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{503}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 41497344

約数和(自身を除く): 22850128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 503, 662, 1006, 1324, 2012, 2317, 2648, 3521, 4024, 4634, 5296, 7042, 8048, 9268, 14084, 18536, 28168, 37072, 56336, 166493, 332986, 665972, 1165451, 1331944, 2330902, 2663888, 4661804, 9323608, 18647216]

約数ペア:

[(1, 18647216), (2, 9323608), (4, 4661804), (7, 2663888), (8, 2330902), (14, 1331944), (16, 1165451), (28, 665972), (56, 332986), (112, 166493), (331, 56336), (503, 37072), (662, 28168), (1006, 18536), (1324, 14084), (2012, 9268), (2317, 8048), (2648, 7042), (3521, 5296), (4024, 4634)]