19797318

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 24443802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 1861, 3546, 3722, 5319, 5583, 10638, 11166, 16749, 33498, 50247, 100494, 366617, 733234, 1099851, 2199702, 3299553, 6599106, 9898659, 19797318]

約数ペア:

[(1, 19797318), (2, 9898659), (3, 6599106), (6, 3299553), (9, 2199702), (18, 1099851), (27, 733234), (54, 366617), (197, 100494), (394, 50247), (591, 33498), (1182, 16749), (1773, 11166), (1861, 10638), (3546, 5583), (3722, 5319)]