19149280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4127}}^1$

素因数の和:4171

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 27662240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4127, 4640, 8254, 16508, 20635, 33016, 41270, 66032, 82540, 119683, 132064, 165080, 239366, 330160, 478732, 598415, 660320, 957464, 1196830, 1914928, 2393660, 3829856, 4787320, 9574640, 19149280]

約数ペア:

[(1, 19149280), (2, 9574640), (4, 4787320), (5, 3829856), (8, 2393660), (10, 1914928), (16, 1196830), (20, 957464), (29, 660320), (32, 598415), (40, 478732), (58, 330160), (80, 239366), (116, 165080), (145, 132064), (160, 119683), (232, 82540), (290, 66032), (464, 41270), (580, 33016), (928, 20635), (1160, 16508), (2320, 8254), (4127, 4640)]