19910488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191447}}^1$

素因数の和:191466

約数の個数: 16

約数和(自身を含む): 40204080

約数和(自身を除く): 20293592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191447, 382894, 765788, 1531576, 2488811, 4977622, 9955244, 19910488]

約数ペア:

[(1, 19910488), (2, 9955244), (4, 4977622), (8, 2488811), (13, 1531576), (26, 765788), (52, 382894), (104, 191447)]