19989135

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3931}}^1$

素因数の和:4055

約数の個数: 24

約数和(自身を含む): 34963344

約数和(自身を除く): 14974209

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 3931, 5085, 11793, 19655, 35379, 58965, 176895, 444203, 1332609, 2221015, 3997827, 6663045, 19989135]

約数ペア:

[(1, 19989135), (3, 6663045), (5, 3997827), (9, 2221015), (15, 1332609), (45, 444203), (113, 176895), (339, 58965), (565, 35379), (1017, 19655), (1695, 11793), (3931, 5085)]