72191906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 118056960

約数和(自身を除く): 45865054

約数列:

[1, 2, 19, 38, 47, 83, 94, 166, 487, 893, 974, 1577, 1786, 3154, 3901, 7802, 9253, 18506, 22889, 40421, 45778, 74119, 80842, 148238, 434891, 767999, 869782, 1535998, 1899787, 3799574, 36095953, 72191906]

約数ペア:

[(1, 72191906), (2, 36095953), (19, 3799574), (38, 1899787), (47, 1535998), (83, 869782), (94, 767999), (166, 434891), (487, 148238), (893, 80842), (974, 74119), (1577, 45778), (1786, 40421), (3154, 22889), (3901, 18506), (7802, 9253)]