19904796

素因数分解:

$2^2\times 3^2\times {\mathrm{719}}^1\times {\mathrm{769}}^1$

素因数の和:1498

約数の個数: 36

約数和(自身を含む): 50450400

約数和(自身を除く): 30545604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 719, 769, 1438, 1538, 2157, 2307, 2876, 3076, 4314, 4614, 6471, 6921, 8628, 9228, 12942, 13842, 25884, 27684, 552911, 1105822, 1658733, 2211644, 3317466, 4976199, 6634932, 9952398, 19904796]

約数ペア:

[(1, 19904796), (2, 9952398), (3, 6634932), (4, 4976199), (6, 3317466), (9, 2211644), (12, 1658733), (18, 1105822), (36, 552911), (719, 27684), (769, 25884), (1438, 13842), (1538, 12942), (2157, 9228), (2307, 8628), (2876, 6921), (3076, 6471), (4314, 4614)]