18628620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13499}}^1$

素因数の和:13534

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 35803380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13499, 26998, 40497, 53996, 67495, 80994, 134990, 161988, 202485, 269980, 310477, 404970, 620954, 809940, 931431, 1241908, 1552385, 1862862, 3104770, 3725724, 4657155, 6209540, 9314310, 18628620]

約数ペア:

[(1, 18628620), (2, 9314310), (3, 6209540), (4, 4657155), (5, 3725724), (6, 3104770), (10, 1862862), (12, 1552385), (15, 1241908), (20, 931431), (23, 809940), (30, 620954), (46, 404970), (60, 310477), (69, 269980), (92, 202485), (115, 161988), (138, 134990), (230, 80994), (276, 67495), (345, 53996), (460, 40497), (690, 26998), (1380, 13499)]