18405734

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1951}}^1$

素因数の和:2095

約数の個数: 16

約数和(自身を含む): 28460160

約数和(自身を除く): 10054426

約数列:

[1, 2, 53, 89, 106, 178, 1951, 3902, 4717, 9434, 103403, 173639, 206806, 347278, 9202867, 18405734]

約数ペア:

[(1, 18405734), (2, 9202867), (53, 347278), (89, 206806), (106, 173639), (178, 103403), (1951, 9434), (3902, 4717)]