18652240

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2179}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 43791840

約数和(自身を除く): 25139600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2179, 4280, 4358, 8560, 8716, 10895, 17432, 21790, 34864, 43580, 87160, 174320, 233153, 466306, 932612, 1165765, 1865224, 2331530, 3730448, 4663060, 9326120, 18652240]

約数ペア:

[(1, 18652240), (2, 9326120), (4, 4663060), (5, 3730448), (8, 2331530), (10, 1865224), (16, 1165765), (20, 932612), (40, 466306), (80, 233153), (107, 174320), (214, 87160), (428, 43580), (535, 34864), (856, 21790), (1070, 17432), (1712, 10895), (2140, 8716), (2179, 8560), (4280, 4358)]