19785402

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 54093312

約数和(自身を除く): 34307910

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 47, 63, 78, 91, 94, 117, 126, 141, 182, 234, 257, 273, 282, 329, 423, 514, 546, 611, 658, 771, 819, 846, 987, 1222, 1542, 1638, 1799, 1833, 1974, 2313, 2961, 3341, 3598, 3666, 4277, 4626, 5397, 5499, 5922, 6682, 8554, 10023, 10794, 10998, 12079, 12831, 16191, 20046, 23387, 24158, 25662, 30069, 32382, 36237, 38493, 46774, 60138, 70161, 72474, 76986, 84553, 108711, 140322, 157027, 169106, 210483, 217422, 253659, 314054, 420966, 471081, 507318, 760977, 942162, 1099189, 1413243, 1521954, 2198378, 2826486, 3297567, 6595134, 9892701, 19785402]

約数ペア:

[(1, 19785402), (2, 9892701), (3, 6595134), (6, 3297567), (7, 2826486), (9, 2198378), (13, 1521954), (14, 1413243), (18, 1099189), (21, 942162), (26, 760977), (39, 507318), (42, 471081), (47, 420966), (63, 314054), (78, 253659), (91, 217422), (94, 210483), (117, 169106), (126, 157027), (141, 140322), (182, 108711), (234, 84553), (257, 76986), (273, 72474), (282, 70161), (329, 60138), (423, 46774), (514, 38493), (546, 36237), (611, 32382), (658, 30069), (771, 25662), (819, 24158), (846, 23387), (987, 20046), (1222, 16191), (1542, 12831), (1638, 12079), (1799, 10998), (1833, 10794), (1974, 10023), (2313, 8554), (2961, 6682), (3341, 5922), (3598, 5499), (3666, 5397), (4277, 4626)]