19157931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{54581}}^1$

素因数の和:54603

約数の個数: 16

約数和(自身を含む): 30565920

約数和(自身を除く): 11407989

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 54581, 163743, 491229, 709553, 1473687, 2128659, 6385977, 19157931]

約数ペア:

[(1, 19157931), (3, 6385977), (9, 2128659), (13, 1473687), (27, 709553), (39, 491229), (117, 163743), (351, 54581)]