19931618

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 35392896

約数和(自身を除く): 15461278

約数列:

[1, 2, 7, 14, 43, 86, 113, 226, 293, 301, 586, 602, 791, 1582, 2051, 4102, 4859, 9718, 12599, 25198, 33109, 34013, 66218, 68026, 88193, 176386, 231763, 463526, 1423687, 2847374, 9965809, 19931618]

約数ペア:

[(1, 19931618), (2, 9965809), (7, 2847374), (14, 1423687), (43, 463526), (86, 231763), (113, 176386), (226, 88193), (293, 68026), (301, 66218), (586, 34013), (602, 33109), (791, 25198), (1582, 12599), (2051, 9718), (4102, 4859)]