19715692759

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 25091555328

約数和(自身を除く): 5375862569

約数列:

[1, 7, 23, 31, 53, 73, 161, 217, 371, 511, 713, 1021, 1219, 1643, 1679, 2263, 3869, 4991, 7147, 8533, 11501, 11753, 15841, 23483, 27083, 31651, 37789, 52049, 54113, 74533, 88987, 119939, 164381, 221557, 264523, 364343, 378791, 521731, 622909, 727973, 839573, 1244599, 1677503, 1714259, 2310523, 2758597, 3950249, 5095811, 8712193, 11742521, 11999813, 16173661, 19310179, 27651743, 38582569, 53142029, 90855727, 122457719, 270077983, 371994203, 635990089, 857204033, 2816527537, 19715692759]

約数ペア:

[(1, 19715692759), (7, 2816527537), (23, 857204033), (31, 635990089), (53, 371994203), (73, 270077983), (161, 122457719), (217, 90855727), (371, 53142029), (511, 38582569), (713, 27651743), (1021, 19310179), (1219, 16173661), (1643, 11999813), (1679, 11742521), (2263, 8712193), (3869, 5095811), (4991, 3950249), (7147, 2758597), (8533, 2310523), (11501, 1714259), (11753, 1677503), (15841, 1244599), (23483, 839573), (27083, 727973), (31651, 622909), (37789, 521731), (52049, 378791), (54113, 364343), (74533, 264523), (88987, 221557), (119939, 164381)]