1989103696

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1230881}}^1$

素因数の和:1230990

約数の個数: 20

約数和(自身を含む): 3892048884

約数和(自身を除く): 1902945188

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1230881, 2461762, 4923524, 9847048, 19694096, 124318981, 248637962, 497275924, 994551848, 1989103696]

約数ペア:

[(1, 1989103696), (2, 994551848), (4, 497275924), (8, 248637962), (16, 124318981), (101, 19694096), (202, 9847048), (404, 4923524), (808, 2461762), (1616, 1230881)]