19115822

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 32465664

約数和(自身を除く): 13349842

約数列:

[1, 2, 11, 22, 43, 86, 121, 167, 242, 334, 473, 946, 1331, 1837, 2662, 3674, 5203, 7181, 10406, 14362, 20207, 40414, 57233, 78991, 114466, 157982, 222277, 444554, 868901, 1737802, 9557911, 19115822]

約数ペア:

[(1, 19115822), (2, 9557911), (11, 1737802), (22, 868901), (43, 444554), (86, 222277), (121, 157982), (167, 114466), (242, 78991), (334, 57233), (473, 40414), (946, 20207), (1331, 14362), (1837, 10406), (2662, 7181), (3674, 5203)]