18877767568

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{509}}^1\times {\mathrm{19157}}^1$

素因数の和:19696

約数の個数: 60

約数和(自身を含む): 40284101340

約数和(自身を除く): 21406333772

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 509, 968, 1018, 1936, 2036, 4072, 5599, 8144, 11198, 19157, 22396, 38314, 44792, 61589, 76628, 89584, 123178, 153256, 210727, 246356, 306512, 421454, 492712, 842908, 985424, 1685816, 2317997, 3371632, 4635994, 9271988, 9750913, 18543976, 19501826, 37087952, 39003652, 78007304, 107260043, 156014608, 214520086, 429040172, 858080344, 1179860473, 1716160688, 2359720946, 4719441892, 9438883784, 18877767568]

約数ペア:

[(1, 18877767568), (2, 9438883784), (4, 4719441892), (8, 2359720946), (11, 1716160688), (16, 1179860473), (22, 858080344), (44, 429040172), (88, 214520086), (121, 156014608), (176, 107260043), (242, 78007304), (484, 39003652), (509, 37087952), (968, 19501826), (1018, 18543976), (1936, 9750913), (2036, 9271988), (4072, 4635994), (5599, 3371632), (8144, 2317997), (11198, 1685816), (19157, 985424), (22396, 842908), (38314, 492712), (44792, 421454), (61589, 306512), (76628, 246356), (89584, 210727), (123178, 153256)]