19571864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{613}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 39713520

約数和(自身を除く): 20141656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 613, 614, 1226, 1228, 2452, 2456, 3991, 4904, 7969, 7982, 15938, 15964, 31876, 31928, 63752, 188191, 376382, 752764, 1505528, 2446483, 4892966, 9785932, 19571864]

約数ペア:

[(1, 19571864), (2, 9785932), (4, 4892966), (8, 2446483), (13, 1505528), (26, 752764), (52, 376382), (104, 188191), (307, 63752), (613, 31928), (614, 31876), (1226, 15964), (1228, 15938), (2452, 7982), (2456, 7969), (3991, 4904)]