19880604

素因数分解:

$2^2\times 3^2\times {\mathrm{552239}}^1$

素因数の和:552249

約数の個数: 18

約数和(自身を含む): 50253840

約数和(自身を除く): 30373236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552239, 1104478, 1656717, 2208956, 3313434, 4970151, 6626868, 9940302, 19880604]

約数ペア:

[(1, 19880604), (2, 9940302), (3, 6626868), (4, 4970151), (6, 3313434), (9, 2208956), (12, 1656717), (18, 1104478), (36, 552239)]