19051420

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1289}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 40093200

約数和(自身を除く): 21041780

約数列:

[1, 2, 4, 5, 10, 20, 739, 1289, 1478, 2578, 2956, 3695, 5156, 6445, 7390, 12890, 14780, 25780, 952571, 1905142, 3810284, 4762855, 9525710, 19051420]

約数ペア:

[(1, 19051420), (2, 9525710), (4, 4762855), (5, 3810284), (10, 1905142), (20, 952571), (739, 25780), (1289, 14780), (1478, 12890), (2578, 7390), (2956, 6445), (3695, 5156)]