18967744

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{2719}}^1$

素因数の和:2840

約数の個数: 28

約数和(自身を含む): 37998400

約数和(自身を除く): 19030656

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 2719, 3488, 5438, 6976, 10876, 21752, 43504, 87008, 174016, 296371, 592742, 1185484, 2370968, 4741936, 9483872, 18967744]

約数ペア:

[(1, 18967744), (2, 9483872), (4, 4741936), (8, 2370968), (16, 1185484), (32, 592742), (64, 296371), (109, 174016), (218, 87008), (436, 43504), (872, 21752), (1744, 10876), (2719, 6976), (3488, 5438)]