19605740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 33616660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 439, 580, 638, 770, 812, 878, 1015, 1276, 1540, 1595, 1756, 2030, 2195, 2233, 3073, 3190, 4060, 4390, 4466, 4829, 6146, 6380, 8780, 8932, 9658, 11165, 12292, 12731, 15365, 19316, 22330, 24145, 25462, 30730, 33803, 44660, 48290, 50924, 61460, 63655, 67606, 89117, 96580, 127310, 135212, 140041, 169015, 178234, 254620, 280082, 338030, 356468, 445585, 560164, 676060, 700205, 891170, 980287, 1400410, 1782340, 1960574, 2800820, 3921148, 4901435, 9802870, 19605740]

約数ペア:

[(1, 19605740), (2, 9802870), (4, 4901435), (5, 3921148), (7, 2800820), (10, 1960574), (11, 1782340), (14, 1400410), (20, 980287), (22, 891170), (28, 700205), (29, 676060), (35, 560164), (44, 445585), (55, 356468), (58, 338030), (70, 280082), (77, 254620), (110, 178234), (116, 169015), (140, 140041), (145, 135212), (154, 127310), (203, 96580), (220, 89117), (290, 67606), (308, 63655), (319, 61460), (385, 50924), (406, 48290), (439, 44660), (580, 33803), (638, 30730), (770, 25462), (812, 24145), (878, 22330), (1015, 19316), (1276, 15365), (1540, 12731), (1595, 12292), (1756, 11165), (2030, 9658), (2195, 8932), (2233, 8780), (3073, 6380), (3190, 6146), (4060, 4829), (4390, 4466)]