19128645

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4127}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 33486336

約数和(自身を除く): 14357691

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4127, 4635, 12381, 20635, 37143, 61905, 185715, 425081, 1275243, 2125405, 3825729, 6376215, 19128645]

約数ペア:

[(1, 19128645), (3, 6376215), (5, 3825729), (9, 2125405), (15, 1275243), (45, 425081), (103, 185715), (309, 61905), (515, 37143), (927, 20635), (1545, 12381), (4127, 4635)]