19866304

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 56

約数和(自身を含む): 41349168

約数和(自身を除く): 21482864

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 67, 82, 113, 134, 164, 226, 268, 328, 452, 536, 656, 904, 1072, 1312, 1808, 2144, 2624, 2747, 3616, 4288, 4633, 5494, 7232, 7571, 9266, 10988, 15142, 18532, 21976, 30284, 37064, 43952, 60568, 74128, 87904, 121136, 148256, 175808, 242272, 296512, 310411, 484544, 620822, 1241644, 2483288, 4966576, 9933152, 19866304]

約数ペア:

[(1, 19866304), (2, 9933152), (4, 4966576), (8, 2483288), (16, 1241644), (32, 620822), (41, 484544), (64, 310411), (67, 296512), (82, 242272), (113, 175808), (134, 148256), (164, 121136), (226, 87904), (268, 74128), (328, 60568), (452, 43952), (536, 37064), (656, 30284), (904, 21976), (1072, 18532), (1312, 15142), (1808, 10988), (2144, 9266), (2624, 7571), (2747, 7232), (3616, 5494), (4288, 4633)]