19549548

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1237}}^1$

素因数の和:1686

約数の個数: 36

約数和(自身を含む): 49569520

約数和(自身を除く): 30019972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1237, 1317, 1756, 2474, 2634, 3711, 3951, 4948, 5268, 7422, 7902, 11133, 14844, 15804, 22266, 44532, 543043, 1086086, 1629129, 2172172, 3258258, 4887387, 6516516, 9774774, 19549548]

約数ペア:

[(1, 19549548), (2, 9774774), (3, 6516516), (4, 4887387), (6, 3258258), (9, 2172172), (12, 1629129), (18, 1086086), (36, 543043), (439, 44532), (878, 22266), (1237, 15804), (1317, 14844), (1756, 11133), (2474, 7902), (2634, 7422), (3711, 5268), (3951, 4948)]