18251260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12853}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 38870496

約数和(自身を除く): 20619236

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12853, 25706, 51412, 64265, 128530, 257060, 912563, 1825126, 3650252, 4562815, 9125630, 18251260]

約数ペア:

[(1, 18251260), (2, 9125630), (4, 4562815), (5, 3650252), (10, 1825126), (20, 912563), (71, 257060), (142, 128530), (284, 64265), (355, 51412), (710, 25706), (1420, 12853)]