19714926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 29959314

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 139, 154, 231, 278, 307, 417, 462, 614, 834, 921, 973, 1529, 1842, 1946, 2149, 2919, 3058, 3377, 4298, 4587, 5838, 6447, 6754, 9174, 10131, 10703, 12894, 20262, 21406, 23639, 32109, 42673, 47278, 64218, 70917, 85346, 128019, 141834, 256038, 298711, 469403, 597422, 896133, 938806, 1408209, 1792266, 2816418, 3285821, 6571642, 9857463, 19714926]

約数ペア:

[(1, 19714926), (2, 9857463), (3, 6571642), (6, 3285821), (7, 2816418), (11, 1792266), (14, 1408209), (21, 938806), (22, 896133), (33, 597422), (42, 469403), (66, 298711), (77, 256038), (139, 141834), (154, 128019), (231, 85346), (278, 70917), (307, 64218), (417, 47278), (462, 42673), (614, 32109), (834, 23639), (921, 21406), (973, 20262), (1529, 12894), (1842, 10703), (1946, 10131), (2149, 9174), (2919, 6754), (3058, 6447), (3377, 5838), (4298, 4587)]