18998612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{937}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 34432104

約数和(自身を除く): 15433492

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 937, 1874, 3748, 5069, 10138, 20276, 34669, 69338, 128369, 138676, 256738, 513476, 4749653, 9499306, 18998612]

約数ペア:

[(1, 18998612), (2, 9499306), (4, 4749653), (37, 513476), (74, 256738), (137, 138676), (148, 128369), (274, 69338), (548, 34669), (937, 20276), (1874, 10138), (3748, 5069)]