19877475

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5639}}^1$

素因数の和:5699

約数の個数: 24

約数和(自身を含む): 33569280

約数和(自身を除く): 13691805

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5639, 16917, 28195, 84585, 140975, 265033, 422925, 795099, 1325165, 3975495, 6625825, 19877475]

約数ペア:

[(1, 19877475), (3, 6625825), (5, 3975495), (15, 1325165), (25, 795099), (47, 422925), (75, 265033), (141, 140975), (235, 84585), (705, 28195), (1175, 16917), (3525, 5639)]