19376539

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4815461

約数列:

[1, 7, 13, 71, 91, 497, 923, 2999, 6461, 20993, 38987, 212929, 272909, 1490503, 2768077, 19376539]

約数ペア:

[(1, 19376539), (7, 2768077), (13, 1490503), (71, 272909), (91, 212929), (497, 38987), (923, 20993), (2999, 6461)]