19454260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138959}}^1$

素因数の和:138975

約数の個数: 24

約数和(自身を含む): 46690560

約数和(自身を除く): 27236300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138959, 277918, 555836, 694795, 972713, 1389590, 1945426, 2779180, 3890852, 4863565, 9727130, 19454260]

約数ペア:

[(1, 19454260), (2, 9727130), (4, 4863565), (5, 3890852), (7, 2779180), (10, 1945426), (14, 1389590), (20, 972713), (28, 694795), (35, 555836), (70, 277918), (140, 138959)]