19990742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{1019}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 31836240

約数和(自身を除く): 11845498

約数列:

[1, 2, 17, 34, 577, 1019, 1154, 2038, 9809, 17323, 19618, 34646, 587963, 1175926, 9995371, 19990742]

約数ペア:

[(1, 19990742), (2, 9995371), (17, 1175926), (34, 587963), (577, 34646), (1019, 19618), (1154, 17323), (2038, 9809)]