18648308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1259}}^1$

素因数の和:1316

約数の個数: 36

約数和(自身を含む): 39019680

約数和(自身を除く): 20371372

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 1259, 2116, 2518, 3703, 5036, 7406, 8813, 14812, 17626, 28957, 35252, 57914, 115828, 202699, 405398, 666011, 810796, 1332022, 2664044, 4662077, 9324154, 18648308]

約数ペア:

[(1, 18648308), (2, 9324154), (4, 4662077), (7, 2664044), (14, 1332022), (23, 810796), (28, 666011), (46, 405398), (92, 202699), (161, 115828), (322, 57914), (529, 35252), (644, 28957), (1058, 17626), (1259, 14812), (2116, 8813), (2518, 7406), (3703, 5036)]