19297901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 23337600

約数和(自身を除く): 4039699

約数列:

[1, 7, 19, 133, 373, 389, 2611, 2723, 7087, 7391, 49609, 51737, 145097, 1015679, 2756843, 19297901]

約数ペア:

[(1, 19297901), (7, 2756843), (19, 1015679), (133, 145097), (373, 51737), (389, 49609), (2611, 7391), (2723, 7087)]