19161440

素因数分解:

$2^5\times 5^1\times {\mathrm{119759}}^1$

素因数の和:119774

約数の個数: 24

約数和(自身を含む): 45269280

約数和(自身を除く): 26107840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 119759, 239518, 479036, 598795, 958072, 1197590, 1916144, 2395180, 3832288, 4790360, 9580720, 19161440]

約数ペア:

[(1, 19161440), (2, 9580720), (4, 4790360), (5, 3832288), (8, 2395180), (10, 1916144), (16, 1197590), (20, 958072), (32, 598795), (40, 479036), (80, 239518), (160, 119759)]