27919930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6389}}^1$

素因数の和:6438

約数の個数: 32

約数和(自身を含む): 55209600

約数和(自身を除く): 27289670

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 6389, 12778, 31945, 63890, 121391, 146947, 242782, 293894, 606955, 734735, 1213910, 1469470, 2791993, 5583986, 13959965, 27919930]

約数ペア:

[(1, 27919930), (2, 13959965), (5, 5583986), (10, 2791993), (19, 1469470), (23, 1213910), (38, 734735), (46, 606955), (95, 293894), (115, 242782), (190, 146947), (230, 121391), (437, 63890), (874, 31945), (2185, 12778), (4370, 6389)]