19464584457621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1128727}}^1$

素因数の和:1128994

約数の個数: 64

約数和(自身を含む): 28762517790720

約数和(自身を除く): 9297933333099

約数列:

[1, 3, 19, 41, 47, 57, 123, 141, 157, 471, 779, 893, 1927, 2337, 2679, 2983, 5781, 6437, 7379, 8949, 19311, 22137, 36613, 109839, 122303, 140201, 302539, 366909, 420603, 907617, 1128727, 3386181, 5748241, 17244723, 21445813, 46277807, 53050169, 64337439, 138833421, 159150507, 177210139, 531630417, 879278333, 1007953211, 2175056929, 2637834999, 3023859633, 3366992641, 6525170787, 7265615699, 8328876533, 10100977923, 21796847097, 24986629599, 41326081651, 123978244953, 138046698281, 158248654127, 341483937853, 414140094843, 474745962381, 1024451813559, 6488194819207, 19464584457621]

約数ペア:

[(1, 19464584457621), (3, 6488194819207), (19, 1024451813559), (41, 474745962381), (47, 414140094843), (57, 341483937853), (123, 158248654127), (141, 138046698281), (157, 123978244953), (471, 41326081651), (779, 24986629599), (893, 21796847097), (1927, 10100977923), (2337, 8328876533), (2679, 7265615699), (2983, 6525170787), (5781, 3366992641), (6437, 3023859633), (7379, 2637834999), (8949, 2175056929), (19311, 1007953211), (22137, 879278333), (36613, 531630417), (109839, 177210139), (122303, 159150507), (140201, 138833421), (302539, 64337439), (366909, 53050169), (420603, 46277807), (907617, 21445813), (1128727, 17244723), (3386181, 5748241)]