19901270

素因数分解:

$2^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2693}}^1$

素因数の和:3439

約数の個数: 16

約数和(自身を含む): 35884080

約数和(自身を除く): 15982810

約数列:

[1, 2, 5, 10, 739, 1478, 2693, 3695, 5386, 7390, 13465, 26930, 1990127, 3980254, 9950635, 19901270]

約数ペア:

[(1, 19901270), (2, 9950635), (5, 3980254), (10, 1990127), (739, 26930), (1478, 13465), (2693, 7390), (3695, 5386)]