18276465

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^2$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 29882304

約数和(自身を除く): 11605839

約数列:

[1, 3, 5, 15, 71, 131, 213, 355, 393, 655, 1065, 1965, 9301, 17161, 27903, 46505, 51483, 85805, 139515, 257415, 1218431, 3655293, 6092155, 18276465]

約数ペア:

[(1, 18276465), (3, 6092155), (5, 3655293), (15, 1218431), (71, 257415), (131, 139515), (213, 85805), (355, 51483), (393, 46505), (655, 27903), (1065, 17161), (1965, 9301)]