61919290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{325891}}^1$

素因数の和:325917

約数の個数: 16

約数和(自身を含む): 117321120

約数和(自身を除く): 55401830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 325891, 651782, 1629455, 3258910, 6191929, 12383858, 30959645, 61919290]

約数ペア:

[(1, 61919290), (2, 30959645), (5, 12383858), (10, 6191929), (19, 3258910), (38, 1629455), (95, 651782), (190, 325891)]