19867290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15401}}^1$

素因数の和:15454

約数の個数: 32

約数和(自身を含む): 48793536

約数和(自身を除く): 28926246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15401, 30802, 46203, 77005, 92406, 154010, 231015, 462030, 662243, 1324486, 1986729, 3311215, 3973458, 6622430, 9933645, 19867290]

約数ペア:

[(1, 19867290), (2, 9933645), (3, 6622430), (5, 3973458), (6, 3311215), (10, 1986729), (15, 1324486), (30, 662243), (43, 462030), (86, 231015), (129, 154010), (215, 92406), (258, 77005), (430, 46203), (645, 30802), (1290, 15401)]