19187915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 24084480

約数和(自身を除く): 4896565

約数列:

[1, 5, 31, 79, 155, 395, 1567, 2449, 7835, 12245, 48577, 123793, 242885, 618965, 3837583, 19187915]

約数ペア:

[(1, 19187915), (5, 3837583), (31, 618965), (79, 242885), (155, 123793), (395, 48577), (1567, 12245), (2449, 7835)]