19199420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3067}}^1$

素因数の和:3389

約数の個数: 24

約数和(自身を含む): 40460784

約数和(自身を除く): 21261364

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3067, 3130, 6134, 6260, 12268, 15335, 30670, 61340, 959971, 1919942, 3839884, 4799855, 9599710, 19199420]

約数ペア:

[(1, 19199420), (2, 9599710), (4, 4799855), (5, 3839884), (10, 1919942), (20, 959971), (313, 61340), (626, 30670), (1252, 15335), (1565, 12268), (3067, 6260), (3130, 6134)]