19892795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 25802112

約数和(自身を除く): 5909317

約数列:

[1, 5, 13, 65, 463, 661, 2315, 3305, 6019, 8593, 30095, 42965, 306043, 1530215, 3978559, 19892795]

約数ペア:

[(1, 19892795), (5, 3978559), (13, 1530215), (65, 306043), (463, 42965), (661, 30095), (2315, 8593), (3305, 6019)]