18237280

素因数分解:

$2^5\times 5^1\times {\mathrm{113983}}^1$

素因数の和:113998

約数の個数: 24

約数和(自身を含む): 43085952

約数和(自身を除く): 24848672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113983, 227966, 455932, 569915, 911864, 1139830, 1823728, 2279660, 3647456, 4559320, 9118640, 18237280]

約数ペア:

[(1, 18237280), (2, 9118640), (4, 4559320), (5, 3647456), (8, 2279660), (10, 1823728), (16, 1139830), (20, 911864), (32, 569915), (40, 455932), (80, 227966), (160, 113983)]