18638220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2749}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 52668000

約数和(自身を除く): 34029780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 2749, 3390, 5498, 6780, 8247, 10996, 13745, 16494, 27490, 32988, 41235, 54980, 82470, 164940, 310637, 621274, 931911, 1242548, 1553185, 1863822, 3106370, 3727644, 4659555, 6212740, 9319110, 18638220]

約数ペア:

[(1, 18638220), (2, 9319110), (3, 6212740), (4, 4659555), (5, 3727644), (6, 3106370), (10, 1863822), (12, 1553185), (15, 1242548), (20, 931911), (30, 621274), (60, 310637), (113, 164940), (226, 82470), (339, 54980), (452, 41235), (565, 32988), (678, 27490), (1130, 16494), (1356, 13745), (1695, 10996), (2260, 8247), (2749, 6780), (3390, 5498)]