19291089

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3539}}^1$

素因数の和:3644

約数の個数: 16

約数和(自身を含む): 27187200

約数和(自身を除く): 7896111

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3539, 5451, 10617, 81397, 244191, 279581, 838743, 6430363, 19291089]

約数ペア:

[(1, 19291089), (3, 6430363), (23, 838743), (69, 279581), (79, 244191), (237, 81397), (1817, 10617), (3539, 5451)]