18917454

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 41139072

約数和(自身を除く): 22221618

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 163, 174, 326, 489, 667, 841, 978, 1334, 1682, 2001, 2523, 3749, 4002, 4727, 5046, 7498, 9454, 11247, 14181, 19343, 22494, 28362, 38686, 58029, 108721, 116058, 137083, 217442, 274166, 326163, 411249, 652326, 822498, 3152909, 6305818, 9458727, 18917454]

約数ペア:

[(1, 18917454), (2, 9458727), (3, 6305818), (6, 3152909), (23, 822498), (29, 652326), (46, 411249), (58, 326163), (69, 274166), (87, 217442), (138, 137083), (163, 116058), (174, 108721), (326, 58029), (489, 38686), (667, 28362), (841, 22494), (978, 19343), (1334, 14181), (1682, 11247), (2001, 9454), (2523, 7498), (3749, 5046), (4002, 4727)]