19178961

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7159}}^1$

素因数の和:7228

約数の個数: 16

約数和(自身を含む): 27494400

約数和(自身を除く): 8315439

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7159, 21477, 136021, 336473, 408063, 1009419, 6392987, 19178961]

約数ペア:

[(1, 19178961), (3, 6392987), (19, 1009419), (47, 408063), (57, 336473), (141, 136021), (893, 21477), (2679, 7159)]