19156060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1777}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 51078384

約数和(自身を除く): 31922324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1777, 2156, 2695, 3554, 5390, 7108, 8885, 10780, 12439, 17770, 19547, 24878, 35540, 39094, 49756, 62195, 78188, 87073, 97735, 124390, 136829, 174146, 195470, 248780, 273658, 348292, 390940, 435365, 547316, 684145, 870730, 957803, 1368290, 1741460, 1915606, 2736580, 3831212, 4789015, 9578030, 19156060]

約数ペア:

[(1, 19156060), (2, 9578030), (4, 4789015), (5, 3831212), (7, 2736580), (10, 1915606), (11, 1741460), (14, 1368290), (20, 957803), (22, 870730), (28, 684145), (35, 547316), (44, 435365), (49, 390940), (55, 348292), (70, 273658), (77, 248780), (98, 195470), (110, 174146), (140, 136829), (154, 124390), (196, 97735), (220, 87073), (245, 78188), (308, 62195), (385, 49756), (490, 39094), (539, 35540), (770, 24878), (980, 19547), (1078, 17770), (1540, 12439), (1777, 10780), (2156, 8885), (2695, 7108), (3554, 5390)]