19806705

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5303}}^1$

素因数の和:5397

約数の個数: 24

約数和(自身を含む): 34751808

約数和(自身を除く): 14945103

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5303, 15909, 26515, 47727, 79545, 238635, 440149, 1320447, 2200745, 3961341, 6602235, 19806705]

約数ペア:

[(1, 19806705), (3, 6602235), (5, 3961341), (9, 2200745), (15, 1320447), (45, 440149), (83, 238635), (249, 79545), (415, 47727), (747, 26515), (1245, 15909), (3735, 5303)]