18885870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 49375872

約数和(自身を除く): 30490002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 941, 1115, 1338, 1882, 2007, 2230, 2823, 3345, 4014, 4705, 5646, 6690, 8469, 9410, 10035, 14115, 16938, 20070, 28230, 42345, 84690, 209843, 419686, 629529, 1049215, 1259058, 1888587, 2098430, 3147645, 3777174, 6295290, 9442935, 18885870]

約数ペア:

[(1, 18885870), (2, 9442935), (3, 6295290), (5, 3777174), (6, 3147645), (9, 2098430), (10, 1888587), (15, 1259058), (18, 1049215), (30, 629529), (45, 419686), (90, 209843), (223, 84690), (446, 42345), (669, 28230), (941, 20070), (1115, 16938), (1338, 14115), (1882, 10035), (2007, 9410), (2230, 8469), (2823, 6690), (3345, 5646), (4014, 4705)]