18761380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 24675356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 797, 1070, 1177, 1594, 2140, 2354, 3188, 3985, 4708, 5885, 7970, 8767, 11770, 15940, 17534, 23540, 35068, 43835, 85279, 87670, 170558, 175340, 341116, 426395, 852790, 938069, 1705580, 1876138, 3752276, 4690345, 9380690, 18761380]

約数ペア:

[(1, 18761380), (2, 9380690), (4, 4690345), (5, 3752276), (10, 1876138), (11, 1705580), (20, 938069), (22, 852790), (44, 426395), (55, 341116), (107, 175340), (110, 170558), (214, 87670), (220, 85279), (428, 43835), (535, 35068), (797, 23540), (1070, 17534), (1177, 15940), (1594, 11770), (2140, 8767), (2354, 7970), (3188, 5885), (3985, 4708)]