19992672

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 66673152

約数和(自身を除く): 46680480

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 72, 84, 94, 96, 112, 126, 141, 144, 168, 188, 211, 224, 252, 282, 288, 329, 336, 376, 422, 423, 504, 564, 633, 658, 672, 752, 844, 846, 987, 1008, 1128, 1266, 1316, 1477, 1504, 1688, 1692, 1899, 1974, 2016, 2256, 2532, 2632, 2954, 2961, 3376, 3384, 3798, 3948, 4431, 4512, 5064, 5264, 5908, 5922, 6752, 6768, 7596, 7896, 8862, 9917, 10128, 10528, 11816, 11844, 13293, 13536, 15192, 15792, 17724, 19834, 20256, 23632, 23688, 26586, 29751, 30384, 31584, 35448, 39668, 47264, 47376, 53172, 59502, 60768, 69419, 70896, 79336, 89253, 94752, 106344, 119004, 138838, 141792, 158672, 178506, 208257, 212688, 238008, 277676, 317344, 357012, 416514, 425376, 476016, 555352, 624771, 714024, 833028, 952032, 1110704, 1249542, 1428048, 1666056, 2221408, 2499084, 2856096, 3332112, 4998168, 6664224, 9996336, 19992672]

約数ペア:

[(1, 19992672), (2, 9996336), (3, 6664224), (4, 4998168), (6, 3332112), (7, 2856096), (8, 2499084), (9, 2221408), (12, 1666056), (14, 1428048), (16, 1249542), (18, 1110704), (21, 952032), (24, 833028), (28, 714024), (32, 624771), (36, 555352), (42, 476016), (47, 425376), (48, 416514), (56, 357012), (63, 317344), (72, 277676), (84, 238008), (94, 212688), (96, 208257), (112, 178506), (126, 158672), (141, 141792), (144, 138838), (168, 119004), (188, 106344), (211, 94752), (224, 89253), (252, 79336), (282, 70896), (288, 69419), (329, 60768), (336, 59502), (376, 53172), (422, 47376), (423, 47264), (504, 39668), (564, 35448), (633, 31584), (658, 30384), (672, 29751), (752, 26586), (844, 23688), (846, 23632), (987, 20256), (1008, 19834), (1128, 17724), (1266, 15792), (1316, 15192), (1477, 13536), (1504, 13293), (1688, 11844), (1692, 11816), (1899, 10528), (1974, 10128), (2016, 9917), (2256, 8862), (2532, 7896), (2632, 7596), (2954, 6768), (2961, 6752), (3376, 5922), (3384, 5908), (3798, 5264), (3948, 5064), (4431, 4512)]