18685384

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 18146936

約数列:

[1, 2, 4, 8, 23, 46, 92, 173, 184, 346, 587, 692, 1174, 1384, 2348, 3979, 4696, 7958, 13501, 15916, 27002, 31832, 54004, 101551, 108008, 203102, 406204, 812408, 2335673, 4671346, 9342692, 18685384]

約数ペア:

[(1, 18685384), (2, 9342692), (4, 4671346), (8, 2335673), (23, 812408), (46, 406204), (92, 203102), (173, 108008), (184, 101551), (346, 54004), (587, 31832), (692, 27002), (1174, 15916), (1384, 13501), (2348, 7958), (3979, 4696)]