19939248

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 64686336

約数和(自身を除く): 44747088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 131, 144, 151, 168, 252, 262, 302, 336, 393, 453, 504, 524, 604, 786, 906, 917, 1008, 1048, 1057, 1179, 1208, 1359, 1572, 1812, 1834, 2096, 2114, 2358, 2416, 2718, 2751, 3144, 3171, 3624, 3668, 4228, 4716, 5436, 5502, 6288, 6342, 7248, 7336, 8253, 8456, 9432, 9513, 10872, 11004, 12684, 14672, 16506, 16912, 18864, 19026, 19781, 21744, 22008, 25368, 33012, 38052, 39562, 44016, 50736, 59343, 66024, 76104, 79124, 118686, 132048, 138467, 152208, 158248, 178029, 237372, 276934, 316496, 356058, 415401, 474744, 553868, 712116, 830802, 949488, 1107736, 1246203, 1424232, 1661604, 2215472, 2492406, 2848464, 3323208, 4984812, 6646416, 9969624, 19939248]

約数ペア:

[(1, 19939248), (2, 9969624), (3, 6646416), (4, 4984812), (6, 3323208), (7, 2848464), (8, 2492406), (9, 2215472), (12, 1661604), (14, 1424232), (16, 1246203), (18, 1107736), (21, 949488), (24, 830802), (28, 712116), (36, 553868), (42, 474744), (48, 415401), (56, 356058), (63, 316496), (72, 276934), (84, 237372), (112, 178029), (126, 158248), (131, 152208), (144, 138467), (151, 132048), (168, 118686), (252, 79124), (262, 76104), (302, 66024), (336, 59343), (393, 50736), (453, 44016), (504, 39562), (524, 38052), (604, 33012), (786, 25368), (906, 22008), (917, 21744), (1008, 19781), (1048, 19026), (1057, 18864), (1179, 16912), (1208, 16506), (1359, 14672), (1572, 12684), (1812, 11004), (1834, 10872), (2096, 9513), (2114, 9432), (2358, 8456), (2416, 8253), (2718, 7336), (2751, 7248), (3144, 6342), (3171, 6288), (3624, 5502), (3668, 5436), (4228, 4716)]