18555750

素因数分解:

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

素因数の和:2775

約数の個数: 64

約数和(自身を含む): 51480000

約数和(自身を除く): 32924250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 675, 750, 1125, 1350, 2250, 2749, 3375, 5498, 6750, 8247, 13745, 16494, 24741, 27490, 41235, 49482, 68725, 74223, 82470, 123705, 137450, 148446, 206175, 247410, 343625, 371115, 412350, 618525, 687250, 742230, 1030875, 1237050, 1855575, 2061750, 3092625, 3711150, 6185250, 9277875, 18555750]

約数ペア:

[(1, 18555750), (2, 9277875), (3, 6185250), (5, 3711150), (6, 3092625), (9, 2061750), (10, 1855575), (15, 1237050), (18, 1030875), (25, 742230), (27, 687250), (30, 618525), (45, 412350), (50, 371115), (54, 343625), (75, 247410), (90, 206175), (125, 148446), (135, 137450), (150, 123705), (225, 82470), (250, 74223), (270, 68725), (375, 49482), (450, 41235), (675, 27490), (750, 24741), (1125, 16494), (1350, 13745), (2250, 8247), (2749, 6750), (3375, 5498)]