19318640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 50755680

約数和(自身を除く): 31437040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 757, 880, 1160, 1276, 1514, 1595, 2320, 2552, 3028, 3190, 3785, 5104, 6056, 6380, 7570, 8327, 12112, 12760, 15140, 16654, 21953, 25520, 30280, 33308, 41635, 43906, 60560, 66616, 83270, 87812, 109765, 133232, 166540, 175624, 219530, 241483, 333080, 351248, 439060, 482966, 666160, 878120, 965932, 1207415, 1756240, 1931864, 2414830, 3863728, 4829660, 9659320, 19318640]

約数ペア:

[(1, 19318640), (2, 9659320), (4, 4829660), (5, 3863728), (8, 2414830), (10, 1931864), (11, 1756240), (16, 1207415), (20, 965932), (22, 878120), (29, 666160), (40, 482966), (44, 439060), (55, 351248), (58, 333080), (80, 241483), (88, 219530), (110, 175624), (116, 166540), (145, 133232), (176, 109765), (220, 87812), (232, 83270), (290, 66616), (319, 60560), (440, 43906), (464, 41635), (580, 33308), (638, 30280), (757, 25520), (880, 21953), (1160, 16654), (1276, 15140), (1514, 12760), (1595, 12112), (2320, 8327), (2552, 7570), (3028, 6380), (3190, 6056), (3785, 5104)]