19089910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38959}}^1$

素因数の和:38980

約数の個数: 24

約数和(自身を含む): 39972960

約数和(自身を除く): 20883050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38959, 77918, 194795, 272713, 389590, 545426, 1363565, 1908991, 2727130, 3817982, 9544955, 19089910]

約数ペア:

[(1, 19089910), (2, 9544955), (5, 3817982), (7, 2727130), (10, 1908991), (14, 1363565), (35, 545426), (49, 389590), (70, 272713), (98, 194795), (245, 77918), (490, 38959)]