19008855

素因数分解:

$3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{659}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 33050160

約数和(自身を除く): 14041305

約数列:

[1, 3, 5, 9, 15, 45, 641, 659, 1923, 1977, 3205, 3295, 5769, 5931, 9615, 9885, 28845, 29655, 422419, 1267257, 2112095, 3801771, 6336285, 19008855]

約数ペア:

[(1, 19008855), (3, 6336285), (5, 3801771), (9, 2112095), (15, 1267257), (45, 422419), (641, 29655), (659, 28845), (1923, 9885), (1977, 9615), (3205, 5931), (3295, 5769)]