19278770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 39892608

約数和(自身を除く): 20613838

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1427, 1930, 2702, 2854, 6755, 7135, 9989, 13510, 14270, 19978, 49945, 99890, 275411, 550822, 1377055, 1927877, 2754110, 3855754, 9639385, 19278770]

約数ペア:

[(1, 19278770), (2, 9639385), (5, 3855754), (7, 2754110), (10, 1927877), (14, 1377055), (35, 550822), (70, 275411), (193, 99890), (386, 49945), (965, 19978), (1351, 14270), (1427, 13510), (1930, 9989), (2702, 7135), (2854, 6755)]