19682476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 39207168

約数和(自身を除く): 19524692

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 101, 103, 172, 202, 206, 404, 412, 473, 946, 1111, 1133, 1892, 2222, 2266, 4343, 4429, 4444, 4532, 8686, 8858, 10403, 17372, 17716, 20806, 41612, 47773, 48719, 95546, 97438, 114433, 191092, 194876, 228866, 447329, 457732, 894658, 1789316, 4920619, 9841238, 19682476]

約数ペア:

[(1, 19682476), (2, 9841238), (4, 4920619), (11, 1789316), (22, 894658), (43, 457732), (44, 447329), (86, 228866), (101, 194876), (103, 191092), (172, 114433), (202, 97438), (206, 95546), (404, 48719), (412, 47773), (473, 41612), (946, 20806), (1111, 17716), (1133, 17372), (1892, 10403), (2222, 8858), (2266, 8686), (4343, 4532), (4429, 4444)]