18939656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2351}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19162744

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2351, 4028, 4702, 8056, 9404, 18808, 44669, 89338, 124603, 178676, 249206, 357352, 498412, 996824, 2367457, 4734914, 9469828, 18939656]

約数ペア:

[(1, 18939656), (2, 9469828), (4, 4734914), (8, 2367457), (19, 996824), (38, 498412), (53, 357352), (76, 249206), (106, 178676), (152, 124603), (212, 89338), (424, 44669), (1007, 18808), (2014, 9404), (2351, 8056), (4028, 4702)]