19193120

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26529760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 863, 1112, 1390, 1726, 2224, 2780, 3452, 4315, 4448, 5560, 6904, 8630, 11120, 13808, 17260, 22240, 27616, 34520, 69040, 119957, 138080, 239914, 479828, 599785, 959656, 1199570, 1919312, 2399140, 3838624, 4798280, 9596560, 19193120]

約数ペア:

[(1, 19193120), (2, 9596560), (4, 4798280), (5, 3838624), (8, 2399140), (10, 1919312), (16, 1199570), (20, 959656), (32, 599785), (40, 479828), (80, 239914), (139, 138080), (160, 119957), (278, 69040), (556, 34520), (695, 27616), (863, 22240), (1112, 17260), (1390, 13808), (1726, 11120), (2224, 8630), (2780, 6904), (3452, 5560), (4315, 4448)]