19380405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1701

約数の個数: 32

約数和(自身を含む): 34312320

約数和(自身を除く): 14931915

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1609, 2409, 4015, 4827, 8045, 12045, 17699, 24135, 53097, 88495, 117457, 265485, 352371, 587285, 1292027, 1761855, 3876081, 6460135, 19380405]

約数ペア:

[(1, 19380405), (3, 6460135), (5, 3876081), (11, 1761855), (15, 1292027), (33, 587285), (55, 352371), (73, 265485), (165, 117457), (219, 88495), (365, 53097), (803, 24135), (1095, 17699), (1609, 12045), (2409, 8045), (4015, 4827)]