18754340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85247}}^1$

素因数の和:85267

約数の個数: 24

約数和(自身を含む): 42964992

約数和(自身を除く): 24210652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85247, 170494, 340988, 426235, 852470, 937717, 1704940, 1875434, 3750868, 4688585, 9377170, 18754340]

約数ペア:

[(1, 18754340), (2, 9377170), (4, 4688585), (5, 3750868), (10, 1875434), (11, 1704940), (20, 937717), (22, 852470), (44, 426235), (55, 340988), (110, 170494), (220, 85247)]