19844648

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18257752

約数列:

[1, 2, 4, 8, 97, 107, 194, 214, 239, 388, 428, 478, 776, 856, 956, 1912, 10379, 20758, 23183, 25573, 41516, 46366, 51146, 83032, 92732, 102292, 185464, 204584, 2480581, 4961162, 9922324, 19844648]

約数ペア:

[(1, 19844648), (2, 9922324), (4, 4961162), (8, 2480581), (97, 204584), (107, 185464), (194, 102292), (214, 92732), (239, 83032), (388, 51146), (428, 46366), (478, 41516), (776, 25573), (856, 23183), (956, 20758), (1912, 10379)]