19207245

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4091}}^1$

素因数の和:4412

約数の個数: 16

約数和(自身を含む): 30837312

約数和(自身を除く): 11630067

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4091, 4695, 12273, 20455, 61365, 1280483, 3841449, 6402415, 19207245]

約数ペア:

[(1, 19207245), (3, 6402415), (5, 3841449), (15, 1280483), (313, 61365), (939, 20455), (1565, 12273), (4091, 4695)]