18691430620

素因数分解:

$2^2\times 5^1\times {\mathrm{226453}}^1\times {\mathrm{4127}}^1$

素因数の和:230589

約数の個数: 24

約数和(自身を含む): 39261688704

約数和(自身を除く): 20570258084

約数列:

[1, 2, 4, 5, 10, 20, 4127, 8254, 16508, 20635, 41270, 82540, 226453, 452906, 905812, 1132265, 2264530, 4529060, 934571531, 1869143062, 3738286124, 4672857655, 9345715310, 18691430620]

約数ペア:

[(1, 18691430620), (2, 9345715310), (4, 4672857655), (5, 3738286124), (10, 1869143062), (20, 934571531), (4127, 4529060), (8254, 2264530), (16508, 1132265), (20635, 905812), (41270, 452906), (82540, 226453)]