219916939706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{81511097}}^1$

素因数の和:81511189

約数の個数: 16

約数和(自身を含む): 352127943360

約数和(自身を除く): 132211003654

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 81511097, 163022194, 1548710843, 3097421686, 5787287887, 11574575774, 109958469853, 219916939706]

約数ペア:

[(1, 219916939706), (2, 109958469853), (19, 11574575774), (38, 5787287887), (71, 3097421686), (142, 1548710843), (1349, 163022194), (2698, 81511097)]