18158013

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{601}}^1$

素因数の和:986

約数の個数: 20

約数和(自身を含む): 27242908

約数和(自身を除く): 9084895

約数列:

[1, 3, 9, 27, 81, 373, 601, 1119, 1803, 3357, 5409, 10071, 16227, 30213, 48681, 224173, 672519, 2017557, 6052671, 18158013]

約数ペア:

[(1, 18158013), (3, 6052671), (9, 2017557), (27, 672519), (81, 224173), (373, 48681), (601, 30213), (1119, 16227), (1803, 10071), (3357, 5409)]