19802019948

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{3241981}}^1$

素因数の和:3242497

約数の個数: 24

約数和(自身を含む): 46295502960

約数和(自身を除く): 26493483012

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 6108, 3241981, 6483962, 9725943, 12967924, 19451886, 38903772, 1650168329, 3300336658, 4950504987, 6600673316, 9901009974, 19802019948]

約数ペア:

[(1, 19802019948), (2, 9901009974), (3, 6600673316), (4, 4950504987), (6, 3300336658), (12, 1650168329), (509, 38903772), (1018, 19451886), (1527, 12967924), (2036, 9725943), (3054, 6483962), (6108, 3241981)]