19657264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1667}}^1$

素因数の和:1753

約数の個数: 40

約数和(自身を含む): 42193728

約数和(自身を除く): 22536464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1667, 2948, 3334, 5896, 6668, 11792, 13336, 18337, 26672, 36674, 73348, 111689, 146696, 223378, 293392, 446756, 893512, 1228579, 1787024, 2457158, 4914316, 9828632, 19657264]

約数ペア:

[(1, 19657264), (2, 9828632), (4, 4914316), (8, 2457158), (11, 1787024), (16, 1228579), (22, 893512), (44, 446756), (67, 293392), (88, 223378), (134, 146696), (176, 111689), (268, 73348), (536, 36674), (737, 26672), (1072, 18337), (1474, 13336), (1667, 11792), (2948, 6668), (3334, 5896)]