19138490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2707}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 39775104

約数和(自身を除く): 20636614

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2707, 3535, 5414, 7070, 13535, 18949, 27070, 37898, 94745, 189490, 273407, 546814, 1367035, 1913849, 2734070, 3827698, 9569245, 19138490]

約数ペア:

[(1, 19138490), (2, 9569245), (5, 3827698), (7, 2734070), (10, 1913849), (14, 1367035), (35, 546814), (70, 273407), (101, 189490), (202, 94745), (505, 37898), (707, 27070), (1010, 18949), (1414, 13535), (2707, 7070), (3535, 5414)]