19460725

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 18

約数和(自身を含む): 24764226

約数和(自身を除く): 5303501

約数列:

[1, 5, 25, 43, 215, 421, 1075, 1849, 2105, 9245, 10525, 18103, 46225, 90515, 452575, 778429, 3892145, 19460725]

約数ペア:

[(1, 19460725), (5, 3892145), (25, 778429), (43, 452575), (215, 90515), (421, 46225), (1075, 18103), (1849, 10525), (2105, 9245)]