18960285

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9649}}^1$

素因数の和:9788

約数の個数: 16

約数和(自身を含む): 30571200

約数和(自身を除く): 11610915

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 9649, 28947, 48245, 144735, 1264019, 3792057, 6320095, 18960285]

約数ペア:

[(1, 18960285), (3, 6320095), (5, 3792057), (15, 1264019), (131, 144735), (393, 48245), (655, 28947), (1965, 9649)]