18838148

素因数分解:

$2^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 38610432

約数和(自身を除く): 19772284

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 223, 431, 446, 862, 892, 1561, 1724, 3017, 3122, 6034, 6244, 10927, 12068, 21119, 21854, 42238, 43708, 84476, 96113, 192226, 384452, 672791, 1345582, 2691164, 4709537, 9419074, 18838148]

約数ペア:

[(1, 18838148), (2, 9419074), (4, 4709537), (7, 2691164), (14, 1345582), (28, 672791), (49, 384452), (98, 192226), (196, 96113), (223, 84476), (431, 43708), (446, 42238), (862, 21854), (892, 21119), (1561, 12068), (1724, 10927), (3017, 6244), (3122, 6034)]