19291525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 28123200

約数和(自身を除く): 8831675

約数列:

[1, 5, 11, 25, 29, 41, 55, 59, 145, 205, 275, 295, 319, 451, 649, 725, 1025, 1189, 1475, 1595, 1711, 2255, 2419, 3245, 5945, 7975, 8555, 11275, 12095, 13079, 16225, 18821, 26609, 29725, 42775, 60475, 65395, 70151, 94105, 133045, 326975, 350755, 470525, 665225, 771661, 1753775, 3858305, 19291525]

約数ペア:

[(1, 19291525), (5, 3858305), (11, 1753775), (25, 771661), (29, 665225), (41, 470525), (55, 350755), (59, 326975), (145, 133045), (205, 94105), (275, 70151), (295, 65395), (319, 60475), (451, 42775), (649, 29725), (725, 26609), (1025, 18821), (1189, 16225), (1475, 13079), (1595, 12095), (1711, 11275), (2255, 8555), (2419, 7975), (3245, 5945)]