19281168

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:792

約数の個数: 60

約数和(自身を含む): 54274428

約数和(自身を除く): 34993260

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 521, 771, 1028, 1042, 1542, 1563, 2056, 2084, 2313, 3084, 3126, 4112, 4168, 4626, 4689, 6168, 6252, 8336, 9252, 9378, 12336, 12504, 18504, 18756, 25008, 37008, 37512, 75024, 133897, 267794, 401691, 535588, 803382, 1071176, 1205073, 1606764, 2142352, 2410146, 3213528, 4820292, 6427056, 9640584, 19281168]

約数ペア:

[(1, 19281168), (2, 9640584), (3, 6427056), (4, 4820292), (6, 3213528), (8, 2410146), (9, 2142352), (12, 1606764), (16, 1205073), (18, 1071176), (24, 803382), (36, 535588), (48, 401691), (72, 267794), (144, 133897), (257, 75024), (514, 37512), (521, 37008), (771, 25008), (1028, 18756), (1042, 18504), (1542, 12504), (1563, 12336), (2056, 9378), (2084, 9252), (2313, 8336), (3084, 6252), (3126, 6168), (4112, 4689), (4168, 4626)]