1813075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 2589120

約数和(自身を除く): 776045

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 347, 475, 1045, 1735, 3817, 5225, 6593, 8675, 19085, 32965, 72523, 95425, 164825, 362615, 1813075]

約数ペア:

[(1, 1813075), (5, 362615), (11, 164825), (19, 95425), (25, 72523), (55, 32965), (95, 19085), (209, 8675), (275, 6593), (347, 5225), (475, 3817), (1045, 1735)]