18959535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20063}}^1$

素因数の和:20084

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 19563345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20063, 60189, 100315, 140441, 180567, 300945, 421323, 541701, 702205, 902835, 1263969, 2106615, 2708505, 3791907, 6319845, 18959535]

約数ペア:

[(1, 18959535), (3, 6319845), (5, 3791907), (7, 2708505), (9, 2106615), (15, 1263969), (21, 902835), (27, 702205), (35, 541701), (45, 421323), (63, 300945), (105, 180567), (135, 140441), (189, 100315), (315, 60189), (945, 20063)]