19487286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11897}}^1$

素因数の和:11925

約数の個数: 48

約数和(自身を含む): 51970464

約数和(自身を除く): 32483178

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11897, 23794, 35691, 71382, 83279, 107073, 154661, 166558, 214146, 249837, 309322, 463983, 499674, 749511, 927966, 1082627, 1391949, 1499022, 2165254, 2783898, 3247881, 6495762, 9743643, 19487286]

約数ペア:

[(1, 19487286), (2, 9743643), (3, 6495762), (6, 3247881), (7, 2783898), (9, 2165254), (13, 1499022), (14, 1391949), (18, 1082627), (21, 927966), (26, 749511), (39, 499674), (42, 463983), (63, 309322), (78, 249837), (91, 214146), (117, 166558), (126, 154661), (182, 107073), (234, 83279), (273, 71382), (546, 35691), (819, 23794), (1638, 11897)]