18648889456

素因数分解:

$2^4\times {\mathrm{4159}}^1\times {\mathrm{280249}}^1$

素因数の和:284416

約数の個数: 20

約数和(自身を含む): 36141040000

約数和(自身を除く): 17492150544

約数列:

[1, 2, 4, 8, 16, 4159, 8318, 16636, 33272, 66544, 280249, 560498, 1120996, 2241992, 4483984, 1165555591, 2331111182, 4662222364, 9324444728, 18648889456]

約数ペア:

[(1, 18648889456), (2, 9324444728), (4, 4662222364), (8, 2331111182), (16, 1165555591), (4159, 4483984), (8318, 2241992), (16636, 1120996), (33272, 560498), (66544, 280249)]