18025790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 34122816

約数和(自身を除く): 16097026

約数列:

[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 433, 866, 905, 1810, 2165, 4163, 4330, 8326, 9959, 19918, 20815, 41630, 49795, 78373, 99590, 156746, 391865, 783730, 1802579, 3605158, 9012895, 18025790]

約数ペア:

[(1, 18025790), (2, 9012895), (5, 3605158), (10, 1802579), (23, 783730), (46, 391865), (115, 156746), (181, 99590), (230, 78373), (362, 49795), (433, 41630), (866, 20815), (905, 19918), (1810, 9959), (2165, 8326), (4163, 4330)]