18670720

素因数分解:

$2^7\times 5^1\times {\mathrm{29173}}^1$

素因数の和:29192

約数の個数: 32

約数和(自身を含む): 44636220

約数和(自身を除く): 25965500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29173, 58346, 116692, 145865, 233384, 291730, 466768, 583460, 933536, 1166920, 1867072, 2333840, 3734144, 4667680, 9335360, 18670720]

約数ペア:

[(1, 18670720), (2, 9335360), (4, 4667680), (5, 3734144), (8, 2333840), (10, 1867072), (16, 1166920), (20, 933536), (32, 583460), (40, 466768), (64, 291730), (80, 233384), (128, 145865), (160, 116692), (320, 58346), (640, 29173)]