19979796

素因数分解:

$2^2\times 3^1\times {\mathrm{811}}^1\times {\mathrm{2053}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 46699744

約数和(自身を除く): 26719948

約数列:

[1, 2, 3, 4, 6, 12, 811, 1622, 2053, 2433, 3244, 4106, 4866, 6159, 8212, 9732, 12318, 24636, 1664983, 3329966, 4994949, 6659932, 9989898, 19979796]

約数ペア:

[(1, 19979796), (2, 9989898), (3, 6659932), (4, 4994949), (6, 3329966), (12, 1664983), (811, 24636), (1622, 12318), (2053, 9732), (2433, 8212), (3244, 6159), (4106, 4866)]