18413945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 7436935

約数列:

[1, 5, 11, 19, 55, 67, 95, 209, 263, 335, 737, 1045, 1273, 1315, 2893, 3685, 4997, 6365, 14003, 14465, 17621, 24985, 54967, 70015, 88105, 193831, 274835, 334799, 969155, 1673995, 3682789, 18413945]

約数ペア:

[(1, 18413945), (5, 3682789), (11, 1673995), (19, 969155), (55, 334799), (67, 274835), (95, 193831), (209, 88105), (263, 70015), (335, 54967), (737, 24985), (1045, 17621), (1273, 14465), (1315, 14003), (2893, 6365), (3685, 4997)]