18717904

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22073}}^1$

素因数の和:22134

約数の個数: 20

約数和(自身を含む): 36951876

約数和(自身を除く): 18233972

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22073, 44146, 88292, 176584, 353168, 1169869, 2339738, 4679476, 9358952, 18717904]

約数ペア:

[(1, 18717904), (2, 9358952), (4, 4679476), (8, 2339738), (16, 1169869), (53, 353168), (106, 176584), (212, 88292), (424, 44146), (848, 22073)]