19942104

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 64189440

約数和(自身を除く): 44247336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 52, 56, 69, 78, 84, 91, 92, 104, 138, 156, 161, 168, 182, 184, 273, 276, 299, 312, 322, 364, 397, 483, 546, 552, 598, 644, 728, 794, 897, 966, 1092, 1191, 1196, 1288, 1588, 1794, 1932, 2093, 2184, 2382, 2392, 2779, 3176, 3588, 3864, 4186, 4764, 5161, 5558, 6279, 7176, 8337, 8372, 9131, 9528, 10322, 11116, 12558, 15483, 16674, 16744, 18262, 20644, 22232, 25116, 27393, 30966, 33348, 36127, 36524, 41288, 50232, 54786, 61932, 63917, 66696, 72254, 73048, 108381, 109572, 118703, 123864, 127834, 144508, 191751, 216762, 219144, 237406, 255668, 289016, 356109, 383502, 433524, 474812, 511336, 712218, 767004, 830921, 867048, 949624, 1424436, 1534008, 1661842, 2492763, 2848872, 3323684, 4985526, 6647368, 9971052, 19942104]

約数ペア:

[(1, 19942104), (2, 9971052), (3, 6647368), (4, 4985526), (6, 3323684), (7, 2848872), (8, 2492763), (12, 1661842), (13, 1534008), (14, 1424436), (21, 949624), (23, 867048), (24, 830921), (26, 767004), (28, 712218), (39, 511336), (42, 474812), (46, 433524), (52, 383502), (56, 356109), (69, 289016), (78, 255668), (84, 237406), (91, 219144), (92, 216762), (104, 191751), (138, 144508), (156, 127834), (161, 123864), (168, 118703), (182, 109572), (184, 108381), (273, 73048), (276, 72254), (299, 66696), (312, 63917), (322, 61932), (364, 54786), (397, 50232), (483, 41288), (546, 36524), (552, 36127), (598, 33348), (644, 30966), (728, 27393), (794, 25116), (897, 22232), (966, 20644), (1092, 18262), (1191, 16744), (1196, 16674), (1288, 15483), (1588, 12558), (1794, 11116), (1932, 10322), (2093, 9528), (2184, 9131), (2382, 8372), (2392, 8337), (2779, 7176), (3176, 6279), (3588, 5558), (3864, 5161), (4186, 4764)]