18583240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2749}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 45292500

約数和(自身を除く): 26709260

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2749, 3380, 5498, 6760, 10996, 13745, 21992, 27490, 35737, 54980, 71474, 109960, 142948, 178685, 285896, 357370, 464581, 714740, 929162, 1429480, 1858324, 2322905, 3716648, 4645810, 9291620, 18583240]

約数ペア:

[(1, 18583240), (2, 9291620), (4, 4645810), (5, 3716648), (8, 2322905), (10, 1858324), (13, 1429480), (20, 929162), (26, 714740), (40, 464581), (52, 357370), (65, 285896), (104, 178685), (130, 142948), (169, 109960), (260, 71474), (338, 54980), (520, 35737), (676, 27490), (845, 21992), (1352, 13745), (1690, 10996), (2749, 6760), (3380, 5498)]