19229889

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 30638080

約数和(自身を除く): 11408191

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 271, 327, 651, 763, 813, 1897, 2289, 3379, 5691, 8401, 10137, 23653, 25203, 29539, 58807, 70959, 88617, 176421, 206773, 620319, 915709, 2747127, 6409963, 19229889]

約数ペア:

[(1, 19229889), (3, 6409963), (7, 2747127), (21, 915709), (31, 620319), (93, 206773), (109, 176421), (217, 88617), (271, 70959), (327, 58807), (651, 29539), (763, 25203), (813, 23653), (1897, 10137), (2289, 8401), (3379, 5691)]