19862315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 7958485

約数列:

[1, 5, 11, 19, 55, 83, 95, 209, 229, 415, 913, 1045, 1145, 1577, 2519, 4351, 4565, 7885, 12595, 17347, 19007, 21755, 47861, 86735, 95035, 209077, 239305, 361133, 1045385, 1805665, 3972463, 19862315]

約数ペア:

[(1, 19862315), (5, 3972463), (11, 1805665), (19, 1045385), (55, 361133), (83, 239305), (95, 209077), (209, 95035), (229, 86735), (415, 47861), (913, 21755), (1045, 19007), (1145, 17347), (1577, 12595), (2519, 7885), (4351, 4565)]