19515983

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 4123057

約数列:

[1, 17, 19, 23, 37, 71, 323, 391, 437, 629, 703, 851, 1207, 1349, 1633, 2627, 7429, 11951, 14467, 16169, 22933, 27761, 31027, 44659, 49913, 60421, 274873, 527459, 848521, 1027157, 1147999, 19515983]

約数ペア:

[(1, 19515983), (17, 1147999), (19, 1027157), (23, 848521), (37, 527459), (71, 274873), (323, 60421), (391, 49913), (437, 44659), (629, 31027), (703, 27761), (851, 22933), (1207, 16169), (1349, 14467), (1633, 11951), (2627, 7429)]