19881756

素因数分解:

$2^2\times 3^2\times {\mathrm{552271}}^1$

素因数の和:552281

約数の個数: 18

約数和(自身を含む): 50256752

約数和(自身を除く): 30374996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552271, 1104542, 1656813, 2209084, 3313626, 4970439, 6627252, 9940878, 19881756]

約数ペア:

[(1, 19881756), (2, 9940878), (3, 6627252), (4, 4970439), (6, 3313626), (9, 2209084), (12, 1656813), (18, 1104542), (36, 552271)]