19839255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77801}}^1$

素因数の和:77826

約数の個数: 16

約数和(自身を含む): 33610464

約数和(自身を除く): 13771209

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77801, 233403, 389005, 1167015, 1322617, 3967851, 6613085, 19839255]

約数ペア:

[(1, 19839255), (3, 6613085), (5, 3967851), (15, 1322617), (17, 1167015), (51, 389005), (85, 233403), (255, 77801)]