19672605

素因数分解:

$3^3\times 5^1\times {\mathrm{145723}}^1$

素因数の和:145737

約数の個数: 16

約数和(自身を含む): 34973760

約数和(自身を除く): 15301155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145723, 437169, 728615, 1311507, 2185845, 3934521, 6557535, 19672605]

約数ペア:

[(1, 19672605), (3, 6557535), (5, 3934521), (9, 2185845), (15, 1311507), (27, 728615), (45, 437169), (135, 145723)]