18628768

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 19836512

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 89, 124, 178, 211, 248, 356, 422, 496, 712, 844, 992, 1424, 1688, 2759, 2848, 3376, 5518, 6541, 6752, 11036, 13082, 18779, 22072, 26164, 37558, 44144, 52328, 75116, 88288, 104656, 150232, 209312, 300464, 582149, 600928, 1164298, 2328596, 4657192, 9314384, 18628768]

約数ペア:

[(1, 18628768), (2, 9314384), (4, 4657192), (8, 2328596), (16, 1164298), (31, 600928), (32, 582149), (62, 300464), (89, 209312), (124, 150232), (178, 104656), (211, 88288), (248, 75116), (356, 52328), (422, 44144), (496, 37558), (712, 26164), (844, 22072), (992, 18779), (1424, 13082), (1688, 11036), (2759, 6752), (2848, 6541), (3376, 5518)]