19712.0000000

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 3386880

約数和(自身を除く): 765925

約数列:

[1, 5, 19, 47, 95, 235, 587, 893, 2935, 4465, 11153, 27589, 55765, 137945, 524191, 2620955]

約数ペア:

[(1, 2620955), (5, 524191), (19, 137945), (47, 55765), (95, 27589), (235, 11153), (587, 4465), (893, 2935)]