19756509020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1163}}^1\times {\mathrm{4447}}^1$

素因数の和:5810

約数の個数: 48

約数和(自身を含む): 41751134208

約数和(自身を除く): 21994625188

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1163, 1910, 2326, 3820, 4447, 4652, 5815, 8894, 11630, 17788, 22235, 23260, 44470, 88940, 222133, 444266, 849377, 888532, 1110665, 1698754, 2221330, 3397508, 4246885, 4442660, 5171861, 8493770, 10343722, 16987540, 20687444, 25859305, 51718610, 103437220, 987825451, 1975650902, 3951301804, 4939127255, 9878254510, 19756509020]

約数ペア:

[(1, 19756509020), (2, 9878254510), (4, 4939127255), (5, 3951301804), (10, 1975650902), (20, 987825451), (191, 103437220), (382, 51718610), (764, 25859305), (955, 20687444), (1163, 16987540), (1910, 10343722), (2326, 8493770), (3820, 5171861), (4447, 4442660), (4652, 4246885), (5815, 3397508), (8894, 2221330), (11630, 1698754), (17788, 1110665), (22235, 888532), (23260, 849377), (44470, 444266), (88940, 222133)]