1290100418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1\times {\mathrm{17747}}^1$

素因数の和:19681

約数の個数: 16

約数和(自身を含む): 2038180320

約数和(自身を除く): 748079902

約数列:

[1, 2, 19, 38, 1913, 3826, 17747, 35494, 36347, 72694, 337193, 674386, 33950011, 67900022, 645050209, 1290100418]

約数ペア:

[(1, 1290100418), (2, 645050209), (19, 67900022), (38, 33950011), (1913, 674386), (3826, 337193), (17747, 72694), (35494, 36347)]