18225855

素因数分解:

$3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{683}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 31691088

約数和(自身を除く): 13465233

約数列:

[1, 3, 5, 9, 15, 45, 593, 683, 1779, 2049, 2965, 3415, 5337, 6147, 8895, 10245, 26685, 30735, 405019, 1215057, 2025095, 3645171, 6075285, 18225855]

約数ペア:

[(1, 18225855), (3, 6075285), (5, 3645171), (9, 2025095), (15, 1215057), (45, 405019), (593, 30735), (683, 26685), (1779, 10245), (2049, 8895), (2965, 6147), (3415, 5337)]