18225870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2789

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 31670130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 2749, 3315, 5498, 6630, 8247, 13745, 16494, 27490, 35737, 41235, 46733, 71474, 82470, 93466, 107211, 140199, 178685, 214422, 233665, 280398, 357370, 467330, 536055, 607529, 700995, 1072110, 1215058, 1401990, 1822587, 3037645, 3645174, 6075290, 9112935, 18225870]

約数ペア:

[(1, 18225870), (2, 9112935), (3, 6075290), (5, 3645174), (6, 3037645), (10, 1822587), (13, 1401990), (15, 1215058), (17, 1072110), (26, 700995), (30, 607529), (34, 536055), (39, 467330), (51, 357370), (65, 280398), (78, 233665), (85, 214422), (102, 178685), (130, 140199), (170, 107211), (195, 93466), (221, 82470), (255, 71474), (390, 46733), (442, 41235), (510, 35737), (663, 27490), (1105, 16494), (1326, 13745), (2210, 8247), (2749, 6630), (3315, 5498)]