19290273

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 26473920

約数和(自身を除く): 7183647

約数列:

[1, 3, 43, 129, 229, 653, 687, 1959, 9847, 28079, 29541, 84237, 149537, 448611, 6430091, 19290273]

約数ペア:

[(1, 19290273), (3, 6430091), (43, 448611), (129, 149537), (229, 84237), (653, 29541), (687, 28079), (1959, 9847)]