19934528

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 56

約数和(自身を含む): 41477184

約数和(自身を除く): 21542656

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 71, 82, 107, 142, 164, 214, 284, 328, 428, 568, 656, 856, 1136, 1312, 1712, 2272, 2624, 2911, 3424, 4387, 4544, 5822, 6848, 7597, 8774, 11644, 15194, 17548, 23288, 30388, 35096, 46576, 60776, 70192, 93152, 121552, 140384, 186304, 243104, 280768, 311477, 486208, 622954, 1245908, 2491816, 4983632, 9967264, 19934528]

約数ペア:

[(1, 19934528), (2, 9967264), (4, 4983632), (8, 2491816), (16, 1245908), (32, 622954), (41, 486208), (64, 311477), (71, 280768), (82, 243104), (107, 186304), (142, 140384), (164, 121552), (214, 93152), (284, 70192), (328, 60776), (428, 46576), (568, 35096), (656, 30388), (856, 23288), (1136, 17548), (1312, 15194), (1712, 11644), (2272, 8774), (2624, 7597), (2911, 6848), (3424, 5822), (4387, 4544)]