13781080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18133}}^1$

素因数の和:18163

約数の個数: 32

約数和(自身を含む): 32641200

約数和(自身を除く): 18860120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 18133, 36266, 72532, 90665, 145064, 181330, 344527, 362660, 689054, 725320, 1378108, 1722635, 2756216, 3445270, 6890540, 13781080]

約数ペア:

[(1, 13781080), (2, 6890540), (4, 3445270), (5, 2756216), (8, 1722635), (10, 1378108), (19, 725320), (20, 689054), (38, 362660), (40, 344527), (76, 181330), (95, 145064), (152, 90665), (190, 72532), (380, 36266), (760, 18133)]