18240872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{175393}}^1$

素因数の和:175412

約数の個数: 16

約数和(自身を含む): 36832740

約数和(自身を除く): 18591868

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 175393, 350786, 701572, 1403144, 2280109, 4560218, 9120436, 18240872]

約数ペア:

[(1, 18240872), (2, 9120436), (4, 4560218), (8, 2280109), (13, 1403144), (26, 701572), (52, 350786), (104, 175393)]