19999738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{1483}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 32802336

約数和(自身を除く): 12802598

約数列:

[1, 2, 11, 22, 613, 1226, 1483, 2966, 6743, 13486, 16313, 32626, 909079, 1818158, 9999869, 19999738]

約数ペア:

[(1, 19999738), (2, 9999869), (11, 1818158), (22, 909079), (613, 32626), (1226, 16313), (1483, 13486), (2966, 6743)]