19939448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 21428872

約数列:

[1, 2, 4, 8, 31, 37, 41, 53, 62, 74, 82, 106, 124, 148, 164, 212, 248, 296, 328, 424, 1147, 1271, 1517, 1643, 1961, 2173, 2294, 2542, 3034, 3286, 3922, 4346, 4588, 5084, 6068, 6572, 7844, 8692, 9176, 10168, 12136, 13144, 15688, 17384, 47027, 60791, 67363, 80401, 94054, 121582, 134726, 160802, 188108, 243164, 269452, 321604, 376216, 486328, 538904, 643208, 2492431, 4984862, 9969724, 19939448]

約数ペア:

[(1, 19939448), (2, 9969724), (4, 4984862), (8, 2492431), (31, 643208), (37, 538904), (41, 486328), (53, 376216), (62, 321604), (74, 269452), (82, 243164), (106, 188108), (124, 160802), (148, 134726), (164, 121582), (212, 94054), (248, 80401), (296, 67363), (328, 60791), (424, 47027), (1147, 17384), (1271, 15688), (1517, 13144), (1643, 12136), (1961, 10168), (2173, 9176), (2294, 8692), (2542, 7844), (3034, 6572), (3286, 6068), (3922, 5084), (4346, 4588)]