11911221980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4477903}}^1$

素因数の和:4477938

約数の個数: 48

約数和(自身を含む): 30091514880

約数和(自身を除く): 18180292900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4477903, 8955806, 17911612, 22389515, 31345321, 44779030, 62690642, 85080157, 89558060, 125381284, 156726605, 170160314, 313453210, 340320628, 425400785, 595561099, 626906420, 850801570, 1191122198, 1701603140, 2382244396, 2977805495, 5955610990, 11911221980]

約数ペア:

[(1, 11911221980), (2, 5955610990), (4, 2977805495), (5, 2382244396), (7, 1701603140), (10, 1191122198), (14, 850801570), (19, 626906420), (20, 595561099), (28, 425400785), (35, 340320628), (38, 313453210), (70, 170160314), (76, 156726605), (95, 125381284), (133, 89558060), (140, 85080157), (190, 62690642), (266, 44779030), (380, 31345321), (532, 22389515), (665, 17911612), (1330, 8955806), (2660, 4477903)]