18467968

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 18545792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 647, 892, 1294, 1784, 2588, 3568, 5176, 7136, 10352, 14272, 20704, 28544, 41408, 82816, 144281, 288562, 577124, 1154248, 2308496, 4616992, 9233984, 18467968]

約数ペア:

[(1, 18467968), (2, 9233984), (4, 4616992), (8, 2308496), (16, 1154248), (32, 577124), (64, 288562), (128, 144281), (223, 82816), (446, 41408), (647, 28544), (892, 20704), (1294, 14272), (1784, 10352), (2588, 7136), (3568, 5176)]