19956832

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 46893168

約数和(自身を除く): 26936336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 53, 56, 82, 106, 112, 164, 212, 224, 287, 328, 371, 424, 574, 656, 742, 848, 1148, 1312, 1484, 1681, 1696, 2173, 2296, 2968, 3362, 4346, 4592, 5936, 6724, 8692, 9184, 11767, 11872, 13448, 15211, 17384, 23534, 26896, 30422, 34768, 47068, 53792, 60844, 69536, 89093, 94136, 121688, 178186, 188272, 243376, 356372, 376544, 486752, 623651, 712744, 1247302, 1425488, 2494604, 2850976, 4989208, 9978416, 19956832]

約数ペア:

[(1, 19956832), (2, 9978416), (4, 4989208), (7, 2850976), (8, 2494604), (14, 1425488), (16, 1247302), (28, 712744), (32, 623651), (41, 486752), (53, 376544), (56, 356372), (82, 243376), (106, 188272), (112, 178186), (164, 121688), (212, 94136), (224, 89093), (287, 69536), (328, 60844), (371, 53792), (424, 47068), (574, 34768), (656, 30422), (742, 26896), (848, 23534), (1148, 17384), (1312, 15211), (1484, 13448), (1681, 11872), (1696, 11767), (2173, 9184), (2296, 8692), (2968, 6724), (3362, 5936), (4346, 4592)]