19845280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 41118560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 47, 52, 56, 58, 65, 70, 80, 91, 94, 104, 112, 116, 130, 140, 145, 160, 182, 188, 203, 208, 224, 232, 235, 260, 280, 290, 329, 364, 376, 377, 406, 416, 455, 464, 470, 520, 560, 580, 611, 658, 728, 752, 754, 812, 910, 928, 940, 1015, 1040, 1120, 1160, 1222, 1316, 1363, 1456, 1504, 1508, 1624, 1645, 1820, 1880, 1885, 2030, 2080, 2320, 2444, 2632, 2639, 2726, 2912, 3016, 3055, 3248, 3290, 3640, 3760, 3770, 4060, 4277, 4640, 4888, 5264, 5278, 5452, 6032, 6110, 6496, 6580, 6815, 7280, 7520, 7540, 8120, 8554, 9541, 9776, 10528, 10556, 10904, 12064, 12220, 13160, 13195, 13630, 14560, 15080, 16240, 17108, 17719, 19082, 19552, 21112, 21385, 21808, 24440, 26320, 26390, 27260, 30160, 32480, 34216, 35438, 38164, 42224, 42770, 43616, 47705, 48880, 52640, 52780, 54520, 60320, 68432, 70876, 76328, 84448, 85540, 88595, 95410, 97760, 105560, 109040, 124033, 136864, 141752, 152656, 171080, 177190, 190820, 211120, 218080, 248066, 283504, 305312, 342160, 354380, 381640, 422240, 496132, 567008, 620165, 684320, 708760, 763280, 992264, 1240330, 1417520, 1526560, 1984528, 2480660, 2835040, 3969056, 4961320, 9922640, 19845280]

約数ペア:

[(1, 19845280), (2, 9922640), (4, 4961320), (5, 3969056), (7, 2835040), (8, 2480660), (10, 1984528), (13, 1526560), (14, 1417520), (16, 1240330), (20, 992264), (26, 763280), (28, 708760), (29, 684320), (32, 620165), (35, 567008), (40, 496132), (47, 422240), (52, 381640), (56, 354380), (58, 342160), (65, 305312), (70, 283504), (80, 248066), (91, 218080), (94, 211120), (104, 190820), (112, 177190), (116, 171080), (130, 152656), (140, 141752), (145, 136864), (160, 124033), (182, 109040), (188, 105560), (203, 97760), (208, 95410), (224, 88595), (232, 85540), (235, 84448), (260, 76328), (280, 70876), (290, 68432), (329, 60320), (364, 54520), (376, 52780), (377, 52640), (406, 48880), (416, 47705), (455, 43616), (464, 42770), (470, 42224), (520, 38164), (560, 35438), (580, 34216), (611, 32480), (658, 30160), (728, 27260), (752, 26390), (754, 26320), (812, 24440), (910, 21808), (928, 21385), (940, 21112), (1015, 19552), (1040, 19082), (1120, 17719), (1160, 17108), (1222, 16240), (1316, 15080), (1363, 14560), (1456, 13630), (1504, 13195), (1508, 13160), (1624, 12220), (1645, 12064), (1820, 10904), (1880, 10556), (1885, 10528), (2030, 9776), (2080, 9541), (2320, 8554), (2444, 8120), (2632, 7540), (2639, 7520), (2726, 7280), (2912, 6815), (3016, 6580), (3055, 6496), (3248, 6110), (3290, 6032), (3640, 5452), (3760, 5278), (3770, 5264), (4060, 4888), (4277, 4640)]