19013145

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12436455

約数列:

[1, 3, 5, 15, 47, 141, 149, 181, 235, 447, 543, 705, 745, 905, 2235, 2715, 7003, 8507, 21009, 25521, 26969, 35015, 42535, 80907, 105045, 127605, 134845, 404535, 1267543, 3802629, 6337715, 19013145]

約数ペア:

[(1, 19013145), (3, 6337715), (5, 3802629), (15, 1267543), (47, 404535), (141, 134845), (149, 127605), (181, 105045), (235, 80907), (447, 42535), (543, 35015), (705, 26969), (745, 25521), (905, 21009), (2235, 8507), (2715, 7003)]