19488033

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5119}}^1$

素因数の和:5178

約数の個数: 20

約数和(自身を含む): 29736960

約数和(自身を除く): 10248927

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5119, 15357, 46071, 138213, 240593, 414639, 721779, 2165337, 6496011, 19488033]

約数ペア:

[(1, 19488033), (3, 6496011), (9, 2165337), (27, 721779), (47, 414639), (81, 240593), (141, 138213), (423, 46071), (1269, 15357), (3807, 5119)]