198387664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{652591}}^1$

素因数の和:652618

約数の個数: 20

約数和(自身を含む): 404607040

約数和(自身を除く): 206219376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 652591, 1305182, 2610364, 5220728, 10441456, 12399229, 24798458, 49596916, 99193832, 198387664]

約数ペア:

[(1, 198387664), (2, 99193832), (4, 49596916), (8, 24798458), (16, 12399229), (19, 10441456), (38, 5220728), (76, 2610364), (152, 1305182), (304, 652591)]