19308550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4339}}^1$

素因数の和:4440

約数の個数: 24

約数和(自身を含む): 36325800

約数和(自身を除く): 17017250

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4339, 4450, 8678, 21695, 43390, 108475, 216950, 386171, 772342, 1930855, 3861710, 9654275, 19308550]

約数ペア:

[(1, 19308550), (2, 9654275), (5, 3861710), (10, 1930855), (25, 772342), (50, 386171), (89, 216950), (178, 108475), (445, 43390), (890, 21695), (2225, 8678), (4339, 4450)]