19315191

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48409}}^1$

素因数の和:48438

約数の個数: 16

約数和(自身を含む): 30982400

約数和(自身を除く): 11667209

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 48409, 145227, 338863, 919771, 1016589, 2759313, 6438397, 19315191]

約数ペア:

[(1, 19315191), (3, 6438397), (7, 2759313), (19, 1016589), (21, 919771), (57, 338863), (133, 145227), (399, 48409)]