19656714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 49508352

約数和(自身を除く): 29851638

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 157, 231, 271, 314, 462, 471, 542, 813, 942, 1099, 1626, 1727, 1897, 2198, 2981, 3297, 3454, 3794, 5181, 5691, 5962, 6594, 8943, 10362, 11382, 12089, 17886, 20867, 24178, 36267, 41734, 42547, 62601, 72534, 85094, 125202, 127641, 255282, 297829, 468017, 595658, 893487, 936034, 1404051, 1786974, 2808102, 3276119, 6552238, 9828357, 19656714]

約数ペア:

[(1, 19656714), (2, 9828357), (3, 6552238), (6, 3276119), (7, 2808102), (11, 1786974), (14, 1404051), (21, 936034), (22, 893487), (33, 595658), (42, 468017), (66, 297829), (77, 255282), (154, 127641), (157, 125202), (231, 85094), (271, 72534), (314, 62601), (462, 42547), (471, 41734), (542, 36267), (813, 24178), (942, 20867), (1099, 17886), (1626, 12089), (1727, 11382), (1897, 10362), (2198, 8943), (2981, 6594), (3297, 5962), (3454, 5691), (3794, 5181)]