19358140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13259}}^1$

素因数の和:13341

約数の個数: 24

約数和(自身を含む): 41212080

約数和(自身を除く): 21853940

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13259, 26518, 53036, 66295, 132590, 265180, 967907, 1935814, 3871628, 4839535, 9679070, 19358140]

約数ペア:

[(1, 19358140), (2, 9679070), (4, 4839535), (5, 3871628), (10, 1935814), (20, 967907), (73, 265180), (146, 132590), (292, 66295), (365, 53036), (730, 26518), (1460, 13259)]