19549790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{150383}}^1$

素因数の和:150403

約数の個数: 16

約数和(自身を含む): 37896768

約数和(自身を除く): 18346978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 150383, 300766, 751915, 1503830, 1954979, 3909958, 9774895, 19549790]

約数ペア:

[(1, 19549790), (2, 9774895), (5, 3909958), (10, 1954979), (13, 1503830), (26, 751915), (65, 300766), (130, 150383)]