19998114057

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{811}}^1\times {\mathrm{1039}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 30041531520

約数和(自身を除く): 10043417463

約数列:

[1, 3, 9, 27, 81, 293, 811, 879, 1039, 2433, 2637, 3117, 7299, 7911, 9351, 21897, 23733, 28053, 65691, 84159, 237623, 304427, 712869, 842629, 913281, 2138607, 2527887, 2739843, 6415821, 7583661, 8219529, 19247463, 22750983, 24658587, 68252949, 246890297, 740670891, 2222012673, 6666038019, 19998114057]

約数ペア:

[(1, 19998114057), (3, 6666038019), (9, 2222012673), (27, 740670891), (81, 246890297), (293, 68252949), (811, 24658587), (879, 22750983), (1039, 19247463), (2433, 8219529), (2637, 7583661), (3117, 6415821), (7299, 2739843), (7911, 2527887), (9351, 2138607), (21897, 913281), (23733, 842629), (28053, 712869), (65691, 304427), (84159, 237623)]