19792855

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 24285024

約数和(自身を除く): 4492169

約数列:

[1, 5, 73, 211, 257, 365, 1055, 1285, 15403, 18761, 54227, 77015, 93805, 271135, 3958571, 19792855]

約数ペア:

[(1, 19792855), (5, 3958571), (73, 271135), (211, 93805), (257, 77015), (365, 54227), (1055, 18761), (1285, 15403)]