19887802

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 34011648

約数和(自身を除く): 14123846

約数列:

[1, 2, 11, 22, 31, 62, 121, 241, 242, 341, 482, 682, 1331, 2651, 2662, 3751, 5302, 7471, 7502, 14942, 29161, 41261, 58322, 82181, 82522, 164362, 320771, 641542, 903991, 1807982, 9943901, 19887802]

約数ペア:

[(1, 19887802), (2, 9943901), (11, 1807982), (22, 903991), (31, 641542), (62, 320771), (121, 164362), (241, 82522), (242, 82181), (341, 58322), (482, 41261), (682, 29161), (1331, 14942), (2651, 7502), (2662, 7471), (3751, 5302)]