19520985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 34305408

約数和(自身を除く): 14784423

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 193, 579, 613, 965, 1839, 2123, 2895, 3065, 6369, 6743, 9195, 10615, 20229, 31845, 33715, 101145, 118309, 354927, 591545, 1301399, 1774635, 3904197, 6506995, 19520985]

約数ペア:

[(1, 19520985), (3, 6506995), (5, 3904197), (11, 1774635), (15, 1301399), (33, 591545), (55, 354927), (165, 118309), (193, 101145), (579, 33715), (613, 31845), (965, 20229), (1839, 10615), (2123, 9195), (2895, 6743), (3065, 6369)]