18519853

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 21399552

約数和(自身を除く): 2879699

約数列:

[1, 11, 23, 71, 253, 781, 1031, 1633, 11341, 17963, 23713, 73201, 260843, 805211, 1683623, 18519853]

約数ペア:

[(1, 18519853), (11, 1683623), (23, 805211), (71, 260843), (253, 73201), (781, 23713), (1031, 17963), (1633, 11341)]