18957105

素因数分解:

$3^3\times 5^1\times {\mathrm{140423}}^1$

素因数の和:140437

約数の個数: 16

約数和(自身を含む): 33701760

約数和(自身を除く): 14744655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140423, 421269, 702115, 1263807, 2106345, 3791421, 6319035, 18957105]

約数ペア:

[(1, 18957105), (3, 6319035), (5, 3791421), (9, 2106345), (15, 1263807), (27, 702115), (45, 421269), (135, 140423)]