19555624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3721

約数の個数: 32

約数和(自身を含む): 40667040

約数和(自身を除く): 21111416

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3643, 5368, 7286, 14572, 29144, 40073, 80146, 160292, 222223, 320584, 444446, 888892, 1777784, 2444453, 4888906, 9777812, 19555624]

約数ペア:

[(1, 19555624), (2, 9777812), (4, 4888906), (8, 2444453), (11, 1777784), (22, 888892), (44, 444446), (61, 320584), (88, 222223), (122, 160292), (244, 80146), (488, 40073), (671, 29144), (1342, 14572), (2684, 7286), (3643, 5368)]