19985718

素因数分解:

$2^1\times 3^1\times {\mathrm{653}}^1\times {\mathrm{5101}}^1$

素因数の和:5759

約数の個数: 16

約数和(自身を含む): 40040496

約数和(自身を除く): 20054778

約数列:

[1, 2, 3, 6, 653, 1306, 1959, 3918, 5101, 10202, 15303, 30606, 3330953, 6661906, 9992859, 19985718]

約数ペア:

[(1, 19985718), (2, 9992859), (3, 6661906), (6, 3330953), (653, 30606), (1306, 15303), (1959, 10202), (3918, 5101)]