19521738

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1321}}^1$

素因数の和:2150

約数の個数: 24

約数和(自身を含む): 42380676

約数和(自身を除く): 22858938

約数列:

[1, 2, 3, 6, 9, 18, 821, 1321, 1642, 2463, 2642, 3963, 4926, 7389, 7926, 11889, 14778, 23778, 1084541, 2169082, 3253623, 6507246, 9760869, 19521738]

約数ペア:

[(1, 19521738), (2, 9760869), (3, 6507246), (6, 3253623), (9, 2169082), (18, 1084541), (821, 23778), (1321, 14778), (1642, 11889), (2463, 7926), (2642, 7389), (3963, 4926)]