19847630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 20371570

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 235, 242, 349, 470, 517, 605, 698, 1034, 1210, 1745, 2585, 3490, 3839, 5170, 5687, 7678, 11374, 16403, 19195, 28435, 32806, 38390, 42229, 56870, 82015, 84458, 164030, 180433, 211145, 360866, 422290, 902165, 1804330, 1984763, 3969526, 9923815, 19847630]

約数ペア:

[(1, 19847630), (2, 9923815), (5, 3969526), (10, 1984763), (11, 1804330), (22, 902165), (47, 422290), (55, 360866), (94, 211145), (110, 180433), (121, 164030), (235, 84458), (242, 82015), (349, 56870), (470, 42229), (517, 38390), (605, 32806), (698, 28435), (1034, 19195), (1210, 16403), (1745, 11374), (2585, 7678), (3490, 5687), (3839, 5170)]