18407060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131479}}^1$

素因数の和:131495

約数の個数: 24

約数和(自身を含む): 44177280

約数和(自身を除く): 25770220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131479, 262958, 525916, 657395, 920353, 1314790, 1840706, 2629580, 3681412, 4601765, 9203530, 18407060]

約数ペア:

[(1, 18407060), (2, 9203530), (4, 4601765), (5, 3681412), (7, 2629580), (10, 1840706), (14, 1314790), (20, 920353), (28, 657395), (35, 525916), (70, 262958), (140, 131479)]