19144790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 21484810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 439, 445, 490, 623, 878, 890, 1246, 2195, 3073, 3115, 4361, 4390, 6146, 6230, 8722, 15365, 21511, 21805, 30730, 39071, 43022, 43610, 78142, 107555, 195355, 215110, 273497, 390710, 546994, 1367485, 1914479, 2734970, 3828958, 9572395, 19144790]

約数ペア:

[(1, 19144790), (2, 9572395), (5, 3828958), (7, 2734970), (10, 1914479), (14, 1367485), (35, 546994), (49, 390710), (70, 273497), (89, 215110), (98, 195355), (178, 107555), (245, 78142), (439, 43610), (445, 43022), (490, 39071), (623, 30730), (878, 21805), (890, 21511), (1246, 15365), (2195, 8722), (3073, 6230), (3115, 6146), (4361, 4390)]