19998793986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1985189}}^1$

素因数の和:1985290

約数の個数: 32

約数和(自身を含む): 42308369280

約数和(自身を除く): 22309575294

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 138, 146, 219, 438, 1679, 3358, 5037, 10074, 1985189, 3970378, 5955567, 11911134, 45659347, 91318694, 136978041, 144918797, 273956082, 289837594, 434756391, 869512782, 3333132331, 6666264662, 9999396993, 19998793986]

約数ペア:

[(1, 19998793986), (2, 9999396993), (3, 6666264662), (6, 3333132331), (23, 869512782), (46, 434756391), (69, 289837594), (73, 273956082), (138, 144918797), (146, 136978041), (219, 91318694), (438, 45659347), (1679, 11911134), (3358, 5955567), (5037, 3970378), (10074, 1985189)]