19170880

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:587

約数の個数: 56

約数和(自身を含む): 46085760

約数和(自身を除く): 26914880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 431, 556, 695, 862, 1112, 1390, 1724, 2155, 2224, 2780, 3448, 4310, 4448, 5560, 6896, 8620, 8896, 11120, 13792, 17240, 22240, 27584, 34480, 44480, 59909, 68960, 119818, 137920, 239636, 299545, 479272, 599090, 958544, 1198180, 1917088, 2396360, 3834176, 4792720, 9585440, 19170880]

約数ペア:

[(1, 19170880), (2, 9585440), (4, 4792720), (5, 3834176), (8, 2396360), (10, 1917088), (16, 1198180), (20, 958544), (32, 599090), (40, 479272), (64, 299545), (80, 239636), (139, 137920), (160, 119818), (278, 68960), (320, 59909), (431, 44480), (556, 34480), (695, 27584), (862, 22240), (1112, 17240), (1390, 13792), (1724, 11120), (2155, 8896), (2224, 8620), (2780, 6896), (3448, 5560), (4310, 4448)]