18989120

素因数分解:

$2^6\times 5^1\times {\mathrm{59341}}^1$

素因数の和:59358

約数の個数: 28

約数和(自身を含む): 45218604

約数和(自身を除く): 26229484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 59341, 118682, 237364, 296705, 474728, 593410, 949456, 1186820, 1898912, 2373640, 3797824, 4747280, 9494560, 18989120]

約数ペア:

[(1, 18989120), (2, 9494560), (4, 4747280), (5, 3797824), (8, 2373640), (10, 1898912), (16, 1186820), (20, 949456), (32, 593410), (40, 474728), (64, 296705), (80, 237364), (160, 118682), (320, 59341)]