2019644613

素因数分解:

$3^2\times 7^2\times {\mathrm{4579693}}^1$

素因数の和:4579713

約数の個数: 18

約数和(自身を含む): 3393553254

約数和(自身を除く): 1373908641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4579693, 13739079, 32057851, 41217237, 96173553, 224404957, 288520659, 673214871, 2019644613]

約数ペア:

[(1, 2019644613), (3, 673214871), (7, 288520659), (9, 224404957), (21, 96173553), (49, 41217237), (63, 32057851), (147, 13739079), (441, 4579693)]