19644272

素因数分解:

$2^4\times {\mathrm{983}}^1\times {\mathrm{1249}}^1$

素因数の和:2240

約数の個数: 20

約数和(自身を含む): 38130000

約数和(自身を除く): 18485728

約数列:

[1, 2, 4, 8, 16, 983, 1249, 1966, 2498, 3932, 4996, 7864, 9992, 15728, 19984, 1227767, 2455534, 4911068, 9822136, 19644272]

約数ペア:

[(1, 19644272), (2, 9822136), (4, 4911068), (8, 2455534), (16, 1227767), (983, 19984), (1249, 15728), (1966, 9992), (2498, 7864), (3932, 4996)]